by 홍기창(Ki-Chang Hong), 조현종(Hyun-Jong Cho), 김정태(Jung Tae Kim), 윤철수(Cheol-Su Yoon), 황인천(In-Cheon Hwang)
Published in Weon'ye gwahag gi'sulji (2009)

by 김정태(Jung-Tae Kim), 조현종(Hyun-Jong Cho), 홍기창(Ki-Chang Hong), 윤철수(Cheoul-Su Yoon), 황인천(In-Cheon Hwang)
Published in Weon'ye gwahag gi'sulji (2007)

by 김미순,정민영,김윤성,장철,황인천,류기현,최장경
Published in Sigmulbyeong yeon'gu (2006)