{"title":"Changes in the Security Environment in Northeast Asia and the Cooperation and Intense Competition of Four Powers Related to the Region","authors":"Hun-kyung Lee","doi":"10.46561/kua.2021.33.1.01","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":127109,"journal":{"name":"The Korean Journal of Unification Affairs","volume":"101 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Korean Journal of Unification Affairs","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.46561/kua.2021.33.1.01","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}