Kajok yŏhaeng
Subtitle: Chŏng Sŏng-su sijip
Edition: Chʻopʻan
Series: Onŭl sijip -- 2
Publisher: Onŭl
Published: 1988
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 147