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Oh, Hunseok; Shim, Han-Sik; Choi, Jiyoung; Choi, Yoonmi; Park, Hyun-Jeong
SNU Journal of Education Research, Vol.16, pp. 129-156
전상학; 모경환; 오헌석; 김재우; 심현표; 서동인; 이상훈
The SNU Journal of Education Research, Vol.26 No.1, pp. 115-139