KKŏnchʻuk sigongKŏnchʻuk sigongde Sang-u YiMateriasBuildingProblems, exercisesEdiciones (1)Kŏnchʻuk sigong (1983)Kosiwŏn · korMás obras de Sang-u YiNNa nŭn nŏ ŭi yamansŭrŏn pimil ŭl alchiNa nŭn nŏ ŭi yamansŭrŏn pimil ŭl alchiTTaehan Min'guk ŭl mandŭlgo chik'yŏon pundŭlTaehan Min'guk ŭl mandŭlgo chik'yŏon pundŭlTTongyang mihangnonTongyang mihangnon