Kyoyuk haengjŏng wŏllon
Subtitle: hakkyo wa hakkŭp kyŏngyŏng
By: Yi Chŏng-hwan chŏ
Edition: Chʻopʻan
Publisher: Hyŏngsŏl Chʻulpʻansa
Published: 1984
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 422