Tonghak chʻangdo kwajŏng
By: [chŏja Pʻyo Yŏng-sam]
Series: Tongwŏnpʻo kyoyugyong kangjae -- 1
Publisher: Chʻŏndogyo Chungang Chʻongbu Chʻulpʻanbu
Published: 1989
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 141