by 권진아(Jin-A Kwon), 안영규(Young-Gyu Ahn), 김현수(Hyun-Soo Kim), 박경일(Kyung-Il Park)
Published in 한국콘텐츠학회 논문지, 17(10) (2017)

by 윤기혁(Ki-Hyok Youn), 박경일(Kyung-Il Park), 권진아(Jin-A Kwon)
Published in 한국콘텐츠학회 논문지, 16(11) (2016)