Munje haengdong ŭi kyoyuk kwa chʻiryo
By: Pak Sŏng-su chŏ.
Series: Kyoyuk sinsŏ ; 78
Publisher: Paeyŏngsa
Published: 1980
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 203