by 김호성(Ho Sung Kim), 정동근(Dong Keun Jung)
Published in 한국콘텐츠학회 논문지, 13(2) (2013)

by 허승덕(Seung-Deok Heo), 황찬호(Chan-Ho Hwang), 장윤석(Youn-Seok Jang), 김리석(Lee-Suk Kim), 정동근(Dong-Keun Jung)
Published in 언어치료연구 (2004)