JPFT Jurnal Pendidikan Fisika dan Teknologi最新文献

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Pengembangan Perangkat Pembelajaran Model Learning Cycle 5E Untuk Meningkatkan Penguasaan Konsep Fisika Peserta Didik 改进学习者对物理概念的掌握模型学习工具5E
JPFT Jurnal Pendidikan Fisika dan Teknologi Pub Date : 2022-06-01 DOI: 10.29303/jpft.v8ispecialissue.3393
Naf’atuzzahrah Naf’atuzzahrah, M. Taufik, Gunawan Gunawan, Hairunnisyah Sahidu
{"title":"Pengembangan Perangkat Pembelajaran Model Learning Cycle 5E Untuk Meningkatkan Penguasaan Konsep Fisika Peserta Didik","authors":"Naf’atuzzahrah Naf’atuzzahrah, M. Taufik, Gunawan Gunawan, Hairunnisyah Sahidu","doi":"10.29303/jpft.v8ispecialissue.3393","DOIUrl":"https://doi.org/10.29303/jpft.v8ispecialissue.3393","url":null,"abstract":"This development research aims to produce such a product in the form of learning tools with the 5E learning cycle model to improve students' mastery of physics concepts. This type of research is included in Research and Development (R&D) with a 4D model consisting of Define, Design, Development, and Dissemination. The learning device products developed are syllabus, Learning Implementation Plan, Student Worksheets, and Concept Mastery Test Instruments. Data collection techniques used validation sheets. The data on the validity of the learning device was obtained from filling out the validation sheet by the validators and has been analyzed using a Likert scale. The results of the study based on the assessment of the validators showed that the average value of the validity of all learning tools developed was 88.54% and 92.62% with very valid and reliable criteria. The variables tested were mastery of physics concepts through limited trial activities by providing test instruments for mastery of physics concepts in the form of pretest and posttest which were then analyzed using the N-gain test. Then the average result of the N-gain test for mastery of physics concepts on static fluid material is 0.55 with a moderate improvement category. So it can be concluded that the learning device of the 5E learning cycle model is valid and effective to improve the mastery of physics concepts for the students of SMAN 1 Gunungsari.","PeriodicalId":34735,"journal":{"name":"JPFT Jurnal Pendidikan Fisika dan Teknologi","volume":"7 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80713717","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Pengembangan Video Dokumenter Berbasis Local Content Alat Musik Tradisional Pada Materi Gelombang Bunyi 基于地方满足传统音乐材料的视频纪录片开发
JPFT Jurnal Pendidikan Fisika dan Teknologi Pub Date : 2022-06-01 DOI: 10.29303/jpft.v8ispecialissue.3360
Hisbulloh Als Mustofa, Gunawan Gunawan, K. Kosim, Sutrio Sutrio
{"title":"Pengembangan Video Dokumenter Berbasis Local Content Alat Musik Tradisional Pada Materi Gelombang Bunyi","authors":"Hisbulloh Als Mustofa, Gunawan Gunawan, K. Kosim, Sutrio Sutrio","doi":"10.29303/jpft.v8ispecialissue.3360","DOIUrl":"https://doi.org/10.29303/jpft.v8ispecialissue.3360","url":null,"abstract":"Changes in the learning system during the COVID-19 pandemic require innovation in learning, innovation in the development of video learning media can be a solution, including documentary videos. The documentary video itself is one of the learning media that contains events and phenomena of everyday life that are close to students. Integrating documentary videos with the local content of traditional musical instruments to explain sound wave material can significantly assist students in understanding the material. This study aims to develop a local-based documentary video content of traditional musical instruments on sound waves. This study uses the Research and Development method with a 4D model (Define, Design, Develop, and Disseminate) developed by Thiagarajan by making documentary videos through the pre-production, production, and post-production processes. The development process started from the draft of the learning video and was revised twice based on suggestions and input from 3 expert validators and 3 practitioner validators then a commentary through suggestions from respondents. Then the documentary video was obtained as the final learning media with a validity percentage of 93% based on expert judgment and 89% based on respondent's assessment. So it can be said that a final documentary video has been produced which is very feasible for use in learning.","PeriodicalId":34735,"journal":{"name":"JPFT Jurnal Pendidikan Fisika dan Teknologi","volume":"7 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79189360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Pengaruh Model Pembelajaran Berbasis Masalah Terhadap Kemampuan Pemecahan Masalah Fisika Peserta Didik Pada Materi Usaha dan Energi 基于问题的学习模型对学习者在商业和能源问题上解决问题的能力的影响
JPFT Jurnal Pendidikan Fisika dan Teknologi Pub Date : 2022-05-31 DOI: 10.29303/jpft.v8ispecialissue.3558
Izzatul Muna Aulia, Hikmawati, Susilawati
{"title":"Pengaruh Model Pembelajaran Berbasis Masalah Terhadap Kemampuan Pemecahan Masalah Fisika Peserta Didik Pada Materi Usaha dan Energi","authors":"Izzatul Muna Aulia, Hikmawati, Susilawati","doi":"10.29303/jpft.v8ispecialissue.3558","DOIUrl":"https://doi.org/10.29303/jpft.v8ispecialissue.3558","url":null,"abstract":"This study aims to examine the effect of the problem-based learning model on students’ physics problem-solving abilities on work and energy materials. The type of research used a quasi-experimental research design with a nonequivalent control group design. The population of this study was students of class X SMA Negeri 1 Empang for the 2021/2022 Academic Year. The research sample was taken using the cluster random sampling technique so that 27 students of class X IPA 2 were selected as the experimental class and 26 students of class X IPA 4 were selected as the control class. The experimental class was given treatment in the form of learning using a problem-based learning model, while the control class used a conventional model. The instrument used to measure the problem-solving ability of students was a description test which is first tested for the validity, reliability, different capability, and difficulty of question level. The result obtained in the form of the average value of KPM obtained by the two classes in the pre-test was the experimental class of 15,48 and the control class of 13,38 and the average value of KPM obtained by the two classes in the post-test was the experimental class of 88,81 and the control class of 80,73. The result of the data analysis test showed that the pre-test and post-test data were homogeneous and the post-test data were normally distributed and the hypothesis test they were analyzed using the t-test in order to obtain the value of 3,15. The value at a significant level of 5% is 2,007, then the value is bigger then. Thus, it is concluded that there is a positive effect of the problem-based learning model on students' physics problem-solving ability in the matter of work and energy. ","PeriodicalId":34735,"journal":{"name":"JPFT Jurnal Pendidikan Fisika dan Teknologi","volume":"148 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77871216","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Comparative Analysis of Prospective Physics Teachers’ Learning Achievement in Terms of Cognitive Style (Field Dependent and Field Independent) 基于认知风格(场依赖型和场独立型)的准物理教师学习成绩比较分析
JPFT Jurnal Pendidikan Fisika dan Teknologi Pub Date : 2022-05-31 DOI: 10.29303/jpft.v8i1.3505
A. Busyairi, A. Harjono, Himawati Hikmawati, M. Zuhdi
{"title":"Comparative Analysis of Prospective Physics Teachers’ Learning Achievement in Terms of Cognitive Style (Field Dependent and Field Independent)","authors":"A. Busyairi, A. Harjono, Himawati Hikmawati, M. Zuhdi","doi":"10.29303/jpft.v8i1.3505","DOIUrl":"https://doi.org/10.29303/jpft.v8i1.3505","url":null,"abstract":"This study aims to determine the comparison of student achievement with field-dependent (FD) and field-independent (FI) cognitive styles. The method used in this research is a comparative descriptive method with a quantitative approach. The sample consisted of 30 prospective physics teacher students who were studying at the University of Mataram. Research data were taken using the Group Embedded Figure Test (GEFT) and documentation of the study result card (SRC). GEFT is used to determine cognitive style while documentation is used to determine the cumulative achievement index (CAI) of students. Based on the results of the t-test at the 95% confidence level (α = 0.05) with the degree of independence (dk =   2= 28), it shows that there are significant differences in learning achievement between FI and FD students. The average learning achievement of FI students (CAI = 3.15) tends to be better than that of FD students (CAI = 3.37).","PeriodicalId":34735,"journal":{"name":"JPFT Jurnal Pendidikan Fisika dan Teknologi","volume":"46 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76012758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pengaruh Model Learning Cycle 7E Berbantuan Buku Saku Fisika Terhadap Kemampuan Berpikir Kritis Peserta Didik 7 - e学习周期模型对学习者批判性思维能力的影响
JPFT Jurnal Pendidikan Fisika dan Teknologi Pub Date : 2022-05-31 DOI: 10.29303/jpft.v8ispecialissue.3577
H. Iman, Sutrio Sutrio, Hikmawati Hikmawati
{"title":"Pengaruh Model Learning Cycle 7E Berbantuan Buku Saku Fisika Terhadap Kemampuan Berpikir Kritis Peserta Didik","authors":"H. Iman, Sutrio Sutrio, Hikmawati Hikmawati","doi":"10.29303/jpft.v8ispecialissue.3577","DOIUrl":"https://doi.org/10.29303/jpft.v8ispecialissue.3577","url":null,"abstract":"This study aims to determine the influence of the Learning Cycle 7E model with pocketbook assistance on the critical thinking skills of class X learners. This type of research uses quasi-experimental methods (pseudo experiments) with untreated control group research design with pre-test and post-test design. The population in this study is all X-class learners.  Sampling was done with purposive sampling techniques and obtained class X-MIA 3 as the experimental class and X-MIA 5 as the control class. Experimental classes are treated in the form of a 7E learning cycle model assisted by pocket books, while conventional learning control classes. The instrument used is in the form of a description test with as many as 8 questions that have been tested for validity, reliability, and different power and difficulty levels. The research hypothesis was tested using a t-test polled variant. Data analysis shows which is 7,940 > 1,678 which means Ho was rejected and Ha accepted, so it can be concluded that there is an influence of the pocketbook-assisted learning cycle 7E model on the critical thinking skills of students.","PeriodicalId":34735,"journal":{"name":"JPFT Jurnal Pendidikan Fisika dan Teknologi","volume":"31 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81747427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pengaruh Pembelajaran STEM Berbasis Masalah Terhadap Penguasaan Konsep Fisika Peserta Didik 基于STEM学习问题的对学习者物理掌握概念的影响
JPFT Jurnal Pendidikan Fisika dan Teknologi Pub Date : 2022-05-31 DOI: 10.29303/jpft.v8ispecialissue.3520
Lalu Haditya Arria Rahmana, Muhammad Zuhdi, Sutrio Sutrio
{"title":"Pengaruh Pembelajaran STEM Berbasis Masalah Terhadap Penguasaan Konsep Fisika Peserta Didik","authors":"Lalu Haditya Arria Rahmana, Muhammad Zuhdi, Sutrio Sutrio","doi":"10.29303/jpft.v8ispecialissue.3520","DOIUrl":"https://doi.org/10.29303/jpft.v8ispecialissue.3520","url":null,"abstract":"This study aims to determine the effect of problem-based STEM learning on students' mastery of physics concepts. The research method used is quasi-experimental with a nonequivalent control group design. The research was carried out from the third week of March to the second week of April at SMAN 1 Sikur. The population of this research was students of class XI MIPA 2, XI MIPA 3, and XI MIPA 4 for the academic year 2021/2022, with a sampling technique using purposive sampling. This study used two classes, namely the control and experimental groups—the Data collection for mastery of concepts using tests in the form of description questions. The research hypothesis was tested using an independent t-test to analyze the difference in the mean scores of pre-test and post-test in both classes using SPSS 16 software. The independent t-hypothesis test resulted in a sig. (2-tailed) of 0.009, more minor than the significance value. (0.05) so that H_0 is rejected, and it is concluded that there are differences in the mastery of physics concepts due to the application of the problem-based STEM learning model.","PeriodicalId":34735,"journal":{"name":"JPFT Jurnal Pendidikan Fisika dan Teknologi","volume":"23 1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88105756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Using Computer Simulation for Teaching Mechanics Concept 运用计算机仿真进行力学概念教学
JPFT Jurnal Pendidikan Fisika dan Teknologi Pub Date : 2022-05-31 DOI: 10.29303/jpft.v8i1.3474
Gunawan Gunawan, L. Herayanti, Imran Imran, Habibi Habibi
{"title":"Using Computer Simulation for Teaching Mechanics Concept","authors":"Gunawan Gunawan, L. Herayanti, Imran Imran, Habibi Habibi","doi":"10.29303/jpft.v8i1.3474","DOIUrl":"https://doi.org/10.29303/jpft.v8i1.3474","url":null,"abstract":"Computer technology presents opportunities and innovations in physics learning. Some of the concepts of physics are abstract concepts. Learning abstract concepts requires appropriate media assistance. In this research, we have developed some computer simulations to support the learning concept of mechanics. The study aimed to examine the effectiveness of computer simulation in students’ understanding of mechanics. The sample used is students from the department of physics education who took a mechanics course at University of Mataram. Data were collected using multiple-choice and essay tests and then analyzed quantitatively. Data analysis used the ANAVA test and N-gain score. The result of the research shows the influence of computer simulation on students’ understanding of the concept of mechanics. Improvement occurs in all sub-materials of mechanics. The average for the concept mastery of students in the experimental group is higher than that of the control group. Statistically, the difference in the increase in the concept mastery between the two groups did not significantly differ. The improvement in students' concept of learning using computer simulation was higher than the control group who studied conventionally.","PeriodicalId":34735,"journal":{"name":"JPFT Jurnal Pendidikan Fisika dan Teknologi","volume":"28 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82053369","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pengembangan Perangkat Pembelajaran Model Inkuiri Terbimbing Untuk Meningkatkan Hasil Belajar Fisika Peserta Didik 辅导学习者模型学习设备的发展,以提高学习者的物理学习结果
JPFT Jurnal Pendidikan Fisika dan Teknologi Pub Date : 2022-05-31 DOI: 10.29303/jpft.v8ispecialissue.3420
Najwa Najwa, Gunawan Gunawan, Hairunnisyah Sahidu, Ahmad Harjono
{"title":"Pengembangan Perangkat Pembelajaran Model Inkuiri Terbimbing Untuk Meningkatkan Hasil Belajar Fisika Peserta Didik","authors":"Najwa Najwa, Gunawan Gunawan, Hairunnisyah Sahidu, Ahmad Harjono","doi":"10.29303/jpft.v8ispecialissue.3420","DOIUrl":"https://doi.org/10.29303/jpft.v8ispecialissue.3420","url":null,"abstract":"This development research aims to produce products in the form of learning tools with the guided inquiry model to improve students' cognitive learning outcomes of physics. This type of research is included in Research and Development (R&D) with a PPE model consisting of Planning, Production, and Evaluation. The learning device products developed are syllabus, Learning Implementation Plan, Student Worksheets, and Test Instruments. Data collection techniques used validation sheets. The data on the validity of the learning device was obtained from filling out the validation sheet by the validators and analyzed using a Likert scale. The results of the study based on the assessment of the validators showed that the average value of the overall validity of the learning tools developed was 3.05 to 3.70 with good and very good category. Based on the interpretation of the data, it can be concluded that the guided inquiry model is valid for use in learning.","PeriodicalId":34735,"journal":{"name":"JPFT Jurnal Pendidikan Fisika dan Teknologi","volume":"106 4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89737434","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Effect of Android-Based Contextual Teaching Materials on Students' Physics Problem-Solving Skills 基于android的情境教材对学生物理问题解决能力的影响
JPFT Jurnal Pendidikan Fisika dan Teknologi Pub Date : 2022-05-22 DOI: 10.29303/jpft.v8i1.3214
R. Rahmatullah, Fuad Tamami, Surya Jatmika, I. Ibrahim
{"title":"Effect of Android-Based Contextual Teaching Materials on Students' Physics Problem-Solving Skills","authors":"R. Rahmatullah, Fuad Tamami, Surya Jatmika, I. Ibrahim","doi":"10.29303/jpft.v8i1.3214","DOIUrl":"https://doi.org/10.29303/jpft.v8i1.3214","url":null,"abstract":"The integration of technology into learning needs to be done following the times. Many learning resources are still not integrated with technology that it hinders the attainment of students' problem-solving skills. Therefore, this research aims to determine the effect of android-based contextual teaching materials on students' problem-solving skills. This research is quasi-experimental with a pretest-posttest control group design. The research population was all students of class X of SMAN 3 Mataram. The research sample used class X MIA 3 as the control group and class X MIA 5 as the experimental group. The data collection instrument used a test with several problem-solving indicators. Problem indicators used include solving, planning, explaining solutions, and evaluating. Data analysis used t-test and N-gain to see the magnitude of the effect. The results of the t-test showed a data significance value of 0.004. This result is still below the α value (sig. < 0.05), meaning that there is a positive effect from the treatment given. The experimental group got a higher increase than the control group. The difference in the increase occurred for the sub-materials and all indicators of problem-solving skills. Therefore, the conclusion of the study is that android-based contextual teaching materials have a positive effect on students' physics problem-solving skills.","PeriodicalId":34735,"journal":{"name":"JPFT Jurnal Pendidikan Fisika dan Teknologi","volume":"78 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74572876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Character Value-Integrated Causalitic Model Student Worksheet Development Strategy to Improve Creative Thinking Ability and Character Change 人格价值整合因果模型学生工作表开发策略:提高创造性思维能力与人格转变
JPFT Jurnal Pendidikan Fisika dan Teknologi Pub Date : 2022-05-22 DOI: 10.29303/jpft.v8i1.3389
Huraiza Mahmudah, J. Rokhmat, K. Kosim
{"title":"Character Value-Integrated Causalitic Model Student Worksheet Development Strategy to Improve Creative Thinking Ability and Character Change","authors":"Huraiza Mahmudah, J. Rokhmat, K. Kosim","doi":"10.29303/jpft.v8i1.3389","DOIUrl":"https://doi.org/10.29303/jpft.v8i1.3389","url":null,"abstract":"This study aims to identify a strategy for developing Character Value-Integrated Causal Model Student Worksheet ​​to improve creative thinking skills and change the character of junior high school students. Character value-integrated causal model ​​is a learning model that is used to develop students' potential in identifying and describing the causes and effects of a phenomenon or problem in everyday life related to the student's character. The research type is Research and Development with 4-D model encompassing define, design, develop, and disseminate. The result of this research is a design of a character value-integrated causal model Physics worksheet for business and simple machines materials for the 8th grade junior high school level. The strategy for developing a worksheet with character value-integrated causal model contains several unique characteristics, including: describing phenomena that contain several cause-effect elements, providing phenomena that are related to problems about character in everyday life to be identified, having a causality table, providing space for explanations, loading moral messages related to problems about character, using concise, clear, easily understood language, and using supporting images that are related to the phenomena described","PeriodicalId":34735,"journal":{"name":"JPFT Jurnal Pendidikan Fisika dan Teknologi","volume":"94 2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83340331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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