Sang-dŏk Chʻoe

1962

• Kyoyuk kyejwaje sihaeng ŭl wihan pʻyŏngsaeng haksŭp injŭng chʻeje kuchʻuk pangan yŏnʼgu
• Pihyŏngsik, muhyŏngsik haksŭp injŭng ŭi hyŏnhwang kwa kwaje
• Pʻyŏngsaeng haksŭp sahoe sirhyŏn ŭl wihan kodŭng kyoyuk chʻeje hyŏksin pangan yŏnʼgu