by 전정환(Jeong-Hwan Jeon), 손상일(Sang-Il Son), 김동남(Dong-Nam Kim), 조형래(Hyung-Rae Cho)
Published in 한국콘텐츠학회 논문지, 17(6) (2017)

by 김형민(Hyoung Min Kim), 최문구(Moon Gu Choi), 이기행(Gee Haeng Lee), 정창훈(Chang Hoon Jung), 조형래(Hyung Rae Cho), 성미숙(Mi Sook Sung)
Published in The journal of the Korean Orthopaedic Association (1997)