Sapʻyo pʻoktong
Subtitle: katcha 100% sŏnggong chʻangŏp ŭi segye ro!
By: Chʻoe Un chiŭm.
Edition: 1-pʻan
Series: Nyu richʻimaen sirijŭ -- 3
Publisher: Mire Tʻuja Yŏnʼguso
Published: 1992
Place of publication: Sŏul-si
Language: kor
Number of pages: 316