Chong-gŏn Yun

1943

• Hanʼguk kyoyuk ŭi ihae
• Hanʼguk ŭi kyoyuk kwa kyoyuk haengjŏng
• Kyosaron
• Pʻosŭtʻŭ modŏn sidae ŭi kyoyuk haengjŏng kwa hakkyo kyŏngyŏng