{"title":"A Study on the COVID-19 Before and After Trends of Problematic Smartphone Use through Text Mining","authors":"Dong-su Lee, Yu Jeong Kim","doi":"10.48033/jss.6.1.65","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":236324,"journal":{"name":"The K Association of Education Research","volume":"18 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The K Association of Education Research","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.48033/jss.6.1.65","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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