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Ko, Taehoon; Lee, Je Hyuk; Cho, Hyunchang; Cho, Sungzoon; Lee, Wounjoo; Lee, Miji
Industrial Management and Data Systems, Vol.117 No.5, pp.927-945
김동일; 김희주; 안성진; 이미지; 장세영; 안예지; 신혜연
The SNU Journal of Education Research, Vol.26 No.3, pp. 1-25