00851na  a2200229   4500001001300000005001500013008004100028024002700069035001800096035002700114100003400141370004800175372004800223372005300271373004800324374004800372375001100420377001400431400002800445670005400473670009400527KAC20182957220181026150757180516 b aznnnaabn          fa aaa      7 a00000004649066962isni  a(KRI)10113421  a(KISTI)ADPER00002619451 a정승진,g鄭昇鎭,d1966-  c한국(국명)[韓國]0KSH20000101452nlsh  a수학(학문)[數學]0KSH20000001912nlsh  a수학 교육[數學敎育]0KSH19980181642nlsh  a단국대학교 수학교육 (시간강사)  a강사(선생)[講師]0KSH19980072052nlsh  a남성  l한국어1 aJeong, Seungjin,d1966-  a한국연구자정보(KRI)uhttps://www.kri.go.kr  a發展的 觀點에 따른 數學 學習 指導에 관한 硏究, (檀國大學校), 2003