Tʻuksu kyoyuk kyowŏn yangsŏng kujo wa kyoyuk kwajŏng yogu punsŏk yŏnʼguHo-sik Kim · First published 2007Open the Tome
Hanʼguk munhak ŭi riŏllijŭm kwa modŏnijŭmKim, Yun-sik, Ho-ung Chŏng · First published 1989Open the Tome