Kamgyŏk sidae
By: To Han-ho chiŭm
Edition: Chʻopʻan
Series: Midŭm ui sisŏn -- 31
Publisher: Chongno Sŏjŏk
Published: 1990
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 107