Ton-hyŏng Ch'oe · 3 obras en el catálogoObrasHHan'guk hakkyo hwan'gyŏng kyoyuksa sanch'aekHan'guk hakkyo hwan'gyŏng kyoyuksa sanch'aekSSae hakkyo munhwa panghyang chŏngnip kwa chʻangjo kanŭngsŏngSae hakkyo munhwa panghyang chŏngnip kwa chʻangjo kanŭngsŏng tʻamsaek yŏnʼgu남남북한중등학교과학과교육과정및교과서비교분석연구남북한중등학교과학과교육과정및교과서비교분석연구
SSae hakkyo munhwa panghyang chŏngnip kwa chʻangjo kanŭngsŏngSae hakkyo munhwa panghyang chŏngnip kwa chʻangjo kanŭngsŏng tʻamsaek yŏnʼgu