by 두은영(Eun-Young Doo), 송혜영(Hye-Young Song), 정명숙(Myung-Sook Jung)
Published in 한국콘텐츠학회 논문지, 22(9) (2022)

by 송혜영(Hye-Young Song), 두은영(Eun Young Doo), 최수진(Sujin Choi)
Published in 한국콘텐츠학회 논문지, 17(7) (2017)