by 양대건, Dae Geon Yang, 하일도, Il Do Ha, 조건호, Geon Ho Cho
Published in Ŭngyong tʻonggye yŏnʼgu (2018)

by 하일도, Il Do Ha, 조건호, Geon Ho Cho
Published in Ŭngyong tʻonggye yŏnʼgu (2015)

by 서정철(Jung-Chul Seo), 한상원(Sang-Won Han), 변준석(Joon-Seok Byun), 안희덕(Hee-Duk An), 하일도(Il-Do Ha), 조건호(Geon-Ho Cho), 임강현(Kanghyun Leem), 허정걸(Zheng-Jie Heo), 이경림(Jinglin Yi), 김명수(Mingxiu Jin)
Published in Journal of ginseng research (2005)