by 김문정(Moon Jeong Kim)
Published in 언어치료연구 (2016)

by 정문자(Moon Ja Chung), 김문정(Moon Jeong Kim)
Published in Korean Journal of child studies (2004)

by 이미화(Mee Hwa Lee), 신나리(Na Ry Shin), 김현철(Hyun Chul Kim), 김문정(Moon Jeong Kim)
Published in Korean Journal of child studies (2007)