by 김병규, 류범종, 강지훈
Published in 한국컴퓨터정보학회논문지, 24(11) (01.11.2019)

by Kim, Byungkyu, You, Beom-Jong, Kang, Ji-Hoon
Published in 韓國컴퓨터情報學會論文誌 (2019)

by 정다혜, 최유현
Published in 교과교육학연구, 24(1) (01.02.2020)