Koryo 500-yŏn, ŭimun kwa chinsil고려500년,의문과 진실Kim, Chʻang-hyŏnKim, Chʻŏr-ungYi, Chŏng-nanKoreanBook2001Sŏul Tʻŭkpyŏlsi : Kimyŏngsa, 2001.서울특별시 : 김영사, 2001.Korea—Civilization—935-1392Korea—History—Koryŏ period, 935-1392Book9788934907442