by 엄하영(Hayoung Eom), 김정환(Jeonghwan Kim), 지승윤(Seungyun Ji), 최희열(Heeyoul Choi)
Published in 디지털콘텐츠학회논문지 (01.02.2020)

by 강청웅(Cheongwoong Kang), 노영헌(Youngheon Ro), 김지수(Jisu Kim), 최희열(Heeyoul Choi)
Published in 디지털콘텐츠학회논문지 (2018)

by Woo, Jin Ha, Choi, Heeyoul
Published in Journal of Digital Contents Society (30.11.2021)

by Woo, Jin-Ha, Choi, Heeyoul
Published in Journal of Digital Contents Society (2021)

by Jeong, Chanung, Choi, Heeyoul
Published in Journal of Digital Contents Society (30.11.2019)

by Heeyoul Choi(최희열), Yunhee Kang(강윤희), Myungju Kang(강명주)
Published in 디지털콘텐츠학회논문지 (01.12.2017)

by Joo, Jeonghyun, Choi, Heeyoul
Published in KIISE Transactions on Computing Practices (30.04.2021)