by 윤연기(Yan-Qi Yin), 장성갑(Surng-Gahb Jahng)
Published in 디지털콘텐츠학회논문지 (2023)

by 황지연(Ji-Yeon Hwang), 임양미(Yang-Mi Lim), 박진완(Jin-Wan Park), 장성갑(Surng-Gahb Jahng)
Published in 한국콘텐츠학회 논문지, 6(12) (2006)