Chayu tosi
Subtitle: Im Ung-sun kamgak sosŏl
Edition: Chʻopʻan
Publisher: Chayu Sidaesa
Published: 1990
Place of publication: Sŏul
Language: kor
Number of pages: 303
Notes: "Ilgan Sŭpʻochʻŭ tʻŭkkŭp yŏnjae, Pokkʻachʻio 90."