Kyoyuk sahoehak sinʼgang
By: Yi Hŭng-gu chŏ.
Publisher: Sungmyŏng Yŏja Taehakkyo Chʻulpʻanbu
Published: 1980
Place of publication: Sŏul Tŭkpyŏlsi
Language: kor
Number of pages: 326