Chʻi-hwan Kim

1966

• Gasŭ sisŏl ŭi anjŏn kwalli e kwanhan pŏpche yŏnʼgu
• Haengjŏng chiphaeng pŏpche ŭi kaesŏn pangan yŏnʼgu
• Ipchi kyuje kwallyŏn pŏpche kaesŏn pangan yŏnʼgu