{"title":"Changeable Tangram and Sphinx Puzzles as Online Math Teaching Tools","authors":"S. Song","doi":"10.25020/je.2023.43.2.17","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":298400,"journal":{"name":"The Institute for Education and Research Gyeongin National University of Education","volume":"57 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Institute for Education and Research Gyeongin National University of Education","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.25020/je.2023.43.2.17","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}