by 유수미(Su Mi You), 안세은(Se Eun Ahn), 오혜인(Hye In Oh), 오지은(Ji Eun Oh)
Published in Han'guk Sikp'um Yŏngyang Kwahakhoe chi (01.06.2018)

by 이지오(Ji O Lee), 김영서(Young Seo Kim), 유수미(Su Mi Yoo), 오지은(Ji Eun Oh), 조미숙(Mi Sook Cho)
Published in Han'guk Sikp'um Yŏngyang Kwahakhoe chi (01.11.2020)

by 최우진(Wo-Jeen Choi), 이선애(Sun-Ae Lee), 유수미(Su Mi Yoo), 이수성(Soo-Seong Lee), 강정훈(Jung-Hoon Kang), 고호철(Ho-Cheol Ko)
Published in Weon'ye gwahag gi'sulji (01.12.2008)

by 이선애(Sun-Ae Lee), 최우진(Wo-Jeen Choi), 유수미(Su Mi Yoo), 이수성(Soo-Seong Lee), 강정훈(Jung-Hoon Kang), 고호철(Ho-Cheol Ko), 허윤강(Yoon Gang Hur)
Published in Weon'ye gwahag gi'sulji (01.09.2008)

by 유수미(Su-Mi Yoo), 백성욱(Sung-Wook Baik), 방기천(Kee-Chun Bang)
Published in 디지털콘텐츠학회논문지 (2003)