Il-sŏng Na · 7 obras en el catálogoObrasHHanʾguk chʻŏnmunhak saHanʾguk chʻŏnmunhak sa2000HHaelli hyesŏngHaelli hyesŏngNNa Il-sŏng Kyosu hwagap kinyŏm nonmunjipNa Il-sŏng Kyosu hwagap kinyŏm nonmunjipOOriental astronomy from Guo Shoujing to King SejongOriental astronomy from Guo Shoujing to King SejongSSŏyang kwahak ŭi toip kwa Yŏnhŭi Chŏnmun HakkyoSŏyang kwahak ŭi toip kwa Yŏnhŭi Chŏnmun HakkyoKKwahak kosŏ haejejipKwahak kosŏ haejejipHHan'guk ŭi ujugwanHan'guk ŭi ujugwan
OOriental astronomy from Guo Shoujing to King SejongOriental astronomy from Guo Shoujing to King Sejong