by 이인규(Inkyu Lee), 백영선(Young Sun Baek), 이윤수(Youn Su Lee)
Published in Sigmulbyeong yeon'gu (2023)

by 김미옥(Miok Kim), 조성주(Seongju Cho), 이인규(Inkyu Lee), 조용빈(Yongbeen Cho), 최칠구(Chilkoo Choi)
Published in Weon'ye gwahag gi'sulji (2014)

by 김미옥(Miok Kim), 우수곤(SooGon Woo), 이인규(InKyu Lee), 조용빈(Yongbeen Cho)
Published in Weon'ye gwahag gi'sulji (2013)