by 임찬수(Chan Su Lim), 김도군(Do Gun Kim), 고석오(Seok Oh Ko)
Published in Daehan hwan'gyeong gonghag hoeji (2012)

by 지상현(Sang Hyun Jee), 김도군(Do Gun Kim), 김정현(Jeong Hyun Kim), 고석오(Seok Oh Ko)
Published in Daehan hwan'gyeong gonghag hoeji (2010)

by 양승관(Seung Guan Yang), 고석오(Seok Oh Ko)
Published in Daehan hwan'gyeong gonghag hoeji (2006)

by 민지은(Jee Eun Min), 박인선(In Sun Park), 고석오(Seok Oh Ko), 신원식(Won Sik Shin), 박재우(Jae Woo Park)
Published in Daehan hwan'gyeong gonghag hoeji (2008)

by 신승철(Seung Chul Shin), 김영훈(Young Hun Kim), 고석오(Seok Oh Ko)
Published in Daehan hwan'gyeong gonghag hoeji (2006)