Kyŏng-a Yi

1969

• Pʻyŏngsaeng kyoyuk konggongsŏng kanghwa rŭl wihan pi yŏngni minʼgan tanchʻe wa konggong pʻyŏngsaeng kyoyuk hyŏmnyŏk pangan yŏnʼgu
• Pʻyŏngsaeng kyoyuk ŭi sahoejŏk chabon hyŏngsŏng kwa hyokwa e kwanhan silchŭng yŏnʼgu
• Xian dai Han yu ni sheng ci yan jiu