by 김민정(Min Jung Kim), 도현심(Hyun Sim Doh), 신나나(Nana Shin), 김수지(Soo Jee Kim), 송승민(Seung Min Song), 신정희(Jung Hui Shin), 강하라(Hara Kang)
Published in Korean Journal of child studies (2015)

by 김민정(Min Jung Kim), 김은혜(Eun Hye Kim), 김수지(Soo Jee Kim), 송승민(Seung Min Song), 도현심(Hyun Sim Doh), 신나나(Nana Shin)
Published in Korean Journal of child studies (2015)

by 신나나(Na Na Shin), 도현심(Hyun Sim Doh), 김민정(Min Jung Kim), 송승민(Seung Min Song), 김수지(Soo Jee Kim), 윤기봉(Ki Bong Yun), 두정일(Jeong Il Doo)
Published in Korean Journal of child studies (2014)

by 정문자(Moon Ja Chung), 김진이(Jin Y Kim), 김태은(Tae Eun Kim), 김수지(Soo Jee Kim)
Published in Korean Journal of child studies (2007)