by 김철민(Cheol-Min Kim), 강경헌(Gyeong-Heon Kang), 김은석(Eun-Seok Kim)
Published in 한국콘텐츠학회 논문지, 15(7) (2015)

by 강경헌(Gyeong-Heon Kang), 이현철(Hyeon-Cheol Lee), 허기택(Gi-Taek Hur), 김은석(Eun Seok Kim)
Published in 한국콘텐츠학회논문지 (2008)