Journal of Business Economics and Management最新文献

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INFLUENCE OF BLOCKCHAIN AND SMART CONTRACTS ON PARTNERS’ TRUST, VISIBILITY, COMPETITIVENESS, AND ENVIRONMENTAL PERFORMANCE IN MANUFACTURING SUPPLY CHAINS 区块链和智能合约对制造供应链中合作伙伴的信任、可见性、竞争力和环境绩效的影响
IF 2.6 3区 经济学
Journal of Business Economics and Management Pub Date : 2022-03-02 DOI: 10.3846/jbem.2022.16431
Ping‐Kuo Chen, Qiu-Rui He, Shiping Chu
{"title":"INFLUENCE OF BLOCKCHAIN AND SMART CONTRACTS ON PARTNERS’ TRUST, VISIBILITY, COMPETITIVENESS, AND ENVIRONMENTAL PERFORMANCE IN MANUFACTURING SUPPLY CHAINS","authors":"Ping‐Kuo Chen, Qiu-Rui He, Shiping Chu","doi":"10.3846/jbem.2022.16431","DOIUrl":"https://doi.org/10.3846/jbem.2022.16431","url":null,"abstract":"This study investigates the influence of blockchain and smart contracts on partners’ trust, increasing visibility, competitiveness, and environmental performance when implemented in manufacturing supply chains. Partial least squares (PLS) was the main method used to test and verify the research model and hypotheses. According to the test results, blockchain and smart contracts positively influence partners’ trust. Increasing trust produces a positive effect on increasing visibility, further promoting competitiveness and environmental performance. However, the vulnerability of smart contracts still causes information security concerns. If smart contracts are adopted for an extended time, partners will worry about problems of information vulnerability stemming from the smart contract, further reducing trust and affecting visibility. Regarding academic implications, this study not only proves the relationship between blockchain, smart contracts, partners’ trust, increasing visibility, competitiveness, and environmental performance. In addition, we also proved the vulnerability of smart contracts; our test results fill these gaps. Regarding practical implications, with extended contract periods, partners may expand their doubt in the smart contract and reduce information sharing, further affecting visibility. Manufacturers are reminded that smart contracts may carry hidden trouble that disrupts the relationship between partners’ trust and visibility.","PeriodicalId":47594,"journal":{"name":"Journal of Business Economics and Management","volume":"20 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83301739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A STUDY ON THE IMPACT OF SUSTAINABLE MANAGEMENT ON EARNINGS PERSISTENCE AND MARKET PRICING: EVIDENCE FROM KOREA 可持续管理对盈余持续性和市场定价的影响研究:来自韩国的证据
IF 2.6 3区 经济学
Journal of Business Economics and Management Pub Date : 2022-03-02 DOI: 10.3846/jbem.2022.16436
Hee-young Ma, Ji-yeon Yoo
{"title":"A STUDY ON THE IMPACT OF SUSTAINABLE MANAGEMENT ON EARNINGS PERSISTENCE AND MARKET PRICING: EVIDENCE FROM KOREA","authors":"Hee-young Ma, Ji-yeon Yoo","doi":"10.3846/jbem.2022.16436","DOIUrl":"https://doi.org/10.3846/jbem.2022.16436","url":null,"abstract":"This study examines the implications of sustainable management for the persistence of earnings and earnings components. This study also analyzes whether sustainable management influences investors’ assessments of earnings persistence. According to previous studies, sustainable management activities ultimately have a positive effect on corporate financial performance and corporate value by satisfying the desires of not only shareholders, but also various actors concerned with social contributions and reduced information asymmetry. In addition, the transparency of financial reporting increases as earnings management decreases due to ethical management. So this study predicts that excellent sustainable management activities will improve earnings persistence and investors use as a signal to correctly price the persistence of earnings. This research uses the ESG ratings as a proxy for sustainable management and sample size is 3,247 in Korea securities market. The empirical results show that there is a significant positive relationship between higher ESG grades and earnings and earnings components. And by the method of Mishkin (1983), investors correctly price the persistence of earnings and earnings components based upon sustainable management activities. The results in this study helps to improve our understanding of the impact of sustainable management for earnings quality and investors’ evaluation of earnings quality.","PeriodicalId":47594,"journal":{"name":"Journal of Business Economics and Management","volume":"84 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86350110","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
ERROR CORRECTION MODEL FOR ANALYSIS OF INFLUENCE OF FISCAL POLICY ON ECONOMIC GROWTH IN EU 欧盟财政政策对经济增长影响分析的误差修正模型
IF 2.6 3区 经济学
Journal of Business Economics and Management Pub Date : 2022-03-01 DOI: 10.3846/jbem.2022.16242
Alina Daniela Voda, G. Dobrotă, D. Dobrotă, D. Dumitrașcu
{"title":"ERROR CORRECTION MODEL FOR ANALYSIS OF INFLUENCE OF FISCAL POLICY ON ECONOMIC GROWTH IN EU","authors":"Alina Daniela Voda, G. Dobrotă, D. Dobrotă, D. Dumitrașcu","doi":"10.3846/jbem.2022.16242","DOIUrl":"https://doi.org/10.3846/jbem.2022.16242","url":null,"abstract":"Ensuring fiscal sustainability in the Member States of the European Union has become an extremely important goal in the current economic context. The formulation of appropriate policies can lead to fiscal consolidation, and the manifestation of a fiscal shock with direct implications on national budgets and can be mitigated by a rational approach. The aim of this paper is to examine issues related to ensuring fiscal sustainability and to identify the necessary fiscal policy instruments in this regard. Using a data set for EU member states for the period 2000–2019, we researched fiscal policy objectives for economic development and the volume of public and private investment. The error correction model (ECM) was used as a derivative of the autoregressive model with distributed lags (ARDL) to assess the short-term variation of Gross Domestic Product under the influence of seven fiscal indicators. The study highlights the aspects of fiscal policies at EU level as well as the correlation between economic development and the fiscal behaviour of the authorities. We contribute to the existing literature by providing empirical evidence on the existence of a direct relationship between economic growth and the volume of private investment.","PeriodicalId":47594,"journal":{"name":"Journal of Business Economics and Management","volume":"14 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87573908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
WHAT DETERMINES EMPLOYEE PROCRASTINATION AND MULTITASKING IN THE WORKPLACE: PERSONAL QUALITIES OR MISMANAGEMENT? 是什么决定了员工在工作场所的拖延症和多任务处理:个人品质还是管理不善?
IF 2.6 3区 经济学
Journal of Business Economics and Management Pub Date : 2022-02-28 DOI: 10.3846/jbem.2022.16178
J. Vveinhardt, W. Sroka
{"title":"WHAT DETERMINES EMPLOYEE PROCRASTINATION AND MULTITASKING IN THE WORKPLACE: PERSONAL QUALITIES OR MISMANAGEMENT?","authors":"J. Vveinhardt, W. Sroka","doi":"10.3846/jbem.2022.16178","DOIUrl":"https://doi.org/10.3846/jbem.2022.16178","url":null,"abstract":"The nature of procrastination is usually analysed from the angle of the psychological mechanism, in the aspects of demotivating factors; however, there are not many studies emphasizing procrastination provoked by mismanagement. A similar situation is also observed with regard to multitasking analysed in this article, which is recorded at work not because employees naturally like to multitask but because they have no other way out. The purpose of this article is to present the results of the empirical study revealing the nature of procrastination and multitasking in the workplace. The study involved 995 employees of Polish (N = 500) and Lithuanian (N = 495) private sector organizations. It has been found that a share of employees are forced to become procrastinators and multitaskers due to management flaws. In addition, procrastination and multitasking are related by medium strength statistical relationships, regardless of the country. The value of the research is presupposed by the fact that it presents new and original data showing the situation of multitasking and procrastination in Lithuanian and Polish organizations. These results improve the literature on procrastination by providing additional confirmatory evidence on how more flexible work organization can serve for better understanding of causes of multitasking and procrastination.","PeriodicalId":47594,"journal":{"name":"Journal of Business Economics and Management","volume":"23 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82178315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
THE WAY TO BUSINESS COMPETITIVENESS: THE IMPORTANCE OF DIVERSITY MANAGEMENT AND TEAMWORK CLIMATE IN STABILIZING OF EMPLOYEES 企业竞争力之道:多元化管理和团队氛围在稳定员工中的重要性
IF 2.6 3区 经济学
Journal of Business Economics and Management Pub Date : 2022-02-24 DOI: 10.3846/jbem.2022.16199
N. Jankelová, Zuzana Joniaková, Katarína Procházková
{"title":"THE WAY TO BUSINESS COMPETITIVENESS: THE IMPORTANCE OF DIVERSITY MANAGEMENT AND TEAMWORK CLIMATE IN STABILIZING OF EMPLOYEES","authors":"N. Jankelová, Zuzana Joniaková, Katarína Procházková","doi":"10.3846/jbem.2022.16199","DOIUrl":"https://doi.org/10.3846/jbem.2022.16199","url":null,"abstract":"Focusing on utilization of employees strengths at workforce brings companies benefit to the diverse workforce and creates a competitive advantage in a turbulent and dynamic business environment. The intention of this research is to fill a significant research gap in the in-depth exploration of relationships and support mechanisms for diversity management. The research is focused on teamwork climate as a mediating variable, moderating the effect of best practices in the implementation of diversity management and on its potential level of influence on the employee turnover in the company. It was applied the correlation to evaluate connection r among criteria of three areas: best practices in diversity management, teamwork climate and employee turnover rates. The control variables were age, gender, education and length of manager practice. The dependency between best practices in diversity management and employee turnover, which is mediated by teamwork climate, has been confirmed. However, partial mediation was found, where only part of the effect is mediated. The rate of turnover is influenced by the gender of the manager, age and length of practice. All variables (age, length of experience and gender) are significantly related to the variables of best practices in diversity management and teamwork climate.","PeriodicalId":47594,"journal":{"name":"Journal of Business Economics and Management","volume":"32 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84351513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
THE EFFECT OF SERVICE QUALITY ON CUSTOMER SATISFACTION IN DIGITAL AGE: CUSTOMER SATISFACTION BASED EXAMINATION OF DIGITAL CRM 数字时代服务质量对客户满意度的影响:基于客户满意度的数字化CRM检验
IF 2.6 3区 经济学
Journal of Business Economics and Management Pub Date : 2022-02-23 DOI: 10.3846/jbem.2022.15328
D. Demirel
{"title":"THE EFFECT OF SERVICE QUALITY ON CUSTOMER SATISFACTION IN DIGITAL AGE: CUSTOMER SATISFACTION BASED EXAMINATION OF DIGITAL CRM","authors":"D. Demirel","doi":"10.3846/jbem.2022.15328","DOIUrl":"https://doi.org/10.3846/jbem.2022.15328","url":null,"abstract":"This study examines how customer-centered management systems contribute to CRM through the use of digital services. The article presents empirical evidence from an online survey of 405 people using digital services living Kocaeli province in Turkey and modelling a system of structural equations using partial least squares. 405 people have been selected by a random sampling method to ensure objectivity and scientific neutrality. Among the 405 people, 350 were found to have filled out the questionnaire completely. The study also examined the relationship between the dimensions of service quality and customer satisfaction. The results confirm that most of the dimensions of digital service quality favour the development of customer satisfaction capabilities and both the relationship the independent variables and trust, Enthusiasm, and sensitivity dimensions and customer satisfaction are positive. High customer satisfaction with digital services can lead to superior firm performance; however, companies should also gain credibility for customers and should design their products according to customer preferences.","PeriodicalId":47594,"journal":{"name":"Journal of Business Economics and Management","volume":"48 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80809932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
NONLINEAR SPILLOVER EFFECT OF US MONETARY POLICY UNCERTAINTY ON CHINA’S SYSTEMATIC FINANCIAL RISKS 美国货币政策不确定性对中国系统性金融风险的非线性溢出效应
IF 2.6 3区 经济学
Journal of Business Economics and Management Pub Date : 2022-02-09 DOI: 10.3846/jbem.2022.16065
Zhigang Ouyang, Zhenjiang Dou, Lei Wei, Laszlo Vasa
{"title":"NONLINEAR SPILLOVER EFFECT OF US MONETARY POLICY UNCERTAINTY ON CHINA’S SYSTEMATIC FINANCIAL RISKS","authors":"Zhigang Ouyang, Zhenjiang Dou, Lei Wei, Laszlo Vasa","doi":"10.3846/jbem.2022.16065","DOIUrl":"https://doi.org/10.3846/jbem.2022.16065","url":null,"abstract":"Monetary policy uncertainty (MPU) not only imposes a great impact on the systematic financial risks of a country but also generates a significant spillover effect on countries having close economic exchanges with the former under the background of global economic integration. With the daily return rates of 64 listed financial companies in China from February 2006 to September 2020 used as the samples, China’s systematic financial risks were measured in this research by using long-run marginal expected shortfall (LRMES). On this basis, an FAVAR model with time-varying parameters was constructed to empirically investigate the spillover effect of US MPU on China’s systematic financial risks and its main transmission channels. Results showed that within the sample period (February 2006 – September 2020), US MPU generated a significant positive spillover effect on China’s systematic financial risks, namely, China’s systematic financial risks would be aggravated if the level of US MPU was elevated. From different time intervals, the spillover level was particularly high during global financial crises and global COVID-19 pandemic, indicating that the spillover effect of MPU is nonlinear and closely related to global major sudden risk events. Through the further research, it is found that this effect is mainly transmitted through short-term capital flow, interest rate, and economic uncertainty-induced channels, among which the short-term capital flow is the most important.","PeriodicalId":47594,"journal":{"name":"Journal of Business Economics and Management","volume":"28 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79016708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
TARGETING THE REDISTRIBUTIVE PAYMENT IN SELECTED NEW EUROPEAN UNION MEMBER STATES 针对选定的欧盟新成员国的再分配支付
IF 2.6 3区 经济学
Journal of Business Economics and Management Pub Date : 2022-02-08 DOI: 10.3846/jbem.2022.16238
A. Sadłowski
{"title":"TARGETING THE REDISTRIBUTIVE PAYMENT IN SELECTED NEW EUROPEAN UNION MEMBER STATES","authors":"A. Sadłowski","doi":"10.3846/jbem.2022.16238","DOIUrl":"https://doi.org/10.3846/jbem.2022.16238","url":null,"abstract":"The most important element in the recent reform of the Common Agricultural Policy, which is intended to reduce the concentration of aid distributed under the direct support system, is the so-called redistributive payment. The redistributive effects of this instrument depend on its specific form implemented at the national level, the level of funding, and the area structure of holdings in a given country. The objective of this paper is to compare the targeting of the support distributed under the redistributive payment in the three new Member States of the European Union – Bulgaria, Lithuania and Poland. In order to achieve this objective, it was established which area groups of holdings benefit from (and which lose out on) the application of the redistributive payment in each country. In addition, the average amount of support for a holding per hectare of agricultural area, and the percentage change in this support due to the introduction of the redistributive payment, depending on the size of the holding, in individual countries, are shown as a function. The source material was the data made available by the ministries of agriculture of the countries under analysis, relating to 2018.","PeriodicalId":47594,"journal":{"name":"Journal of Business Economics and Management","volume":"5 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-02-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91381133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
ENVIRONMENTAL, SOCIAL, AND GOVERNANCE (ESG) PRACTICE AND FIRM PERFORMANCE: AN INTERNATIONAL EVIDENCE 环境、社会和治理(esg)实践与公司绩效:国际证据
IF 2.6 3区 经济学
Journal of Business Economics and Management Pub Date : 2022-01-28 DOI: 10.3846/jbem.2022.16202
Imlak Shaikh
{"title":"ENVIRONMENTAL, SOCIAL, AND GOVERNANCE (ESG) PRACTICE AND FIRM PERFORMANCE: AN INTERNATIONAL EVIDENCE","authors":"Imlak Shaikh","doi":"10.3846/jbem.2022.16202","DOIUrl":"https://doi.org/10.3846/jbem.2022.16202","url":null,"abstract":"This article attempts to bring quantitative evidence of a firm’s sustainability reporting in terms of non-financial voluntary disclosures. The disclosures are made available through the annual report and Corporate Social Responsibility (CSR) and Global Reporting Initiatives (GRI) report. ESG score is a quantitative measure developed and disseminated by Bloomberg, covering about 120 Environmental, Social, and Governance aspects. The study’s research problem is to examine the effects of non-market transnational sustainability strategy on firm performance. The study presents an analysis of nearly 510 firm’s ESG scores across 17 countries for 2010–2018. The descriptive and inductive statistical analysis shows that ESG compliance is more pronounced in European companies. Simultaneously, Asian firms are more disciplined concerning the energy sector, and the Asiapacific counterpart is more inclined toward technology firms. The study shows that GRI and nonGRI companies differ significantly in their accounting performance (ROA and ROE) and market valuations (Tobin’s-Q). The environmental dimension appears intimidating across accounting and market-based firm performance, while the social dimension contributes adversely, and governance positively affects operational efficiency.","PeriodicalId":47594,"journal":{"name":"Journal of Business Economics and Management","volume":"40 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91031530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 29
EFFECT OF ACQUISITION TYPE ON INDUSTRIAL DEVELOPMENT IN EMERGING MARKETS: EVIDENCE FROM CHINA 收购类型对新兴市场产业发展的影响:来自中国的证据
IF 2.6 3区 经济学
Journal of Business Economics and Management Pub Date : 2022-01-28 DOI: 10.3846/jbem.2022.16044
Qi Yue, Ping Deng, X. Hua, Luan Jiang
{"title":"EFFECT OF ACQUISITION TYPE ON INDUSTRIAL DEVELOPMENT IN EMERGING MARKETS: EVIDENCE FROM CHINA","authors":"Qi Yue, Ping Deng, X. Hua, Luan Jiang","doi":"10.3846/jbem.2022.16044","DOIUrl":"https://doi.org/10.3846/jbem.2022.16044","url":null,"abstract":"In this paper, we proposed a model of how corporate acquisition influences industrial performance by exploring industry-level and firm-level ownership characteristics in emerging markets. Based on a database of 1,934 acquisitions of listed firms in China, we examined the relationship between corporate acquisition type and industrial performance and the moderating effects of industrial and firm ownership characteristics. The study generated three major findings: 1) compared with cross-industry acquisitions, intra-industry acquisitions of firms have a stronger positive effect on industrial performance; 2) corporate ownership and industrial ownership variables exert different moderating impact on the relationship between acquisition type and industrial performance; and 3) firm ownership and industrial ownership have a joint moderating effect on the relationship between acquisition type and industrial performance. By conceptually arguing and empirically verifying how multi-level factors influence industrial performance in the context of emerging economies, we contributed to the study of the relationship between the micro-level firm acquisition and the macro-level industrial development in several distinct ways.","PeriodicalId":47594,"journal":{"name":"Journal of Business Economics and Management","volume":"147 1","pages":""},"PeriodicalIF":2.6,"publicationDate":"2022-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75504234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"经济学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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