Chong-chʻŏl Yi

1954

• Kugŏ pʻyohyŏn ŭi hwayongnonjŏk yŏnʼgu
• Soktam ŭi hyŏngtaejŏk yangsang kwa chido pangbŏp
• Uri mal ŭi hwayongjok yangsang kwa chido pangbŏp
• Uri soktam parŭgo chʻangŭijŏk ŭro ssŭgi