Tong-gŭn Pak

1966

• Han'gugŏ nop'immal saeginŏ ŏhwijip
• Hanʼgugŏ hyŏngtʻaeron yŏnʼgu ŭi saeroun mosaek
• Hanʼgugŏ ŏhwi yŏnʼgu ŭi saeroun mosaek