Yujŏnja chaejohap sirhŏmpŏp
By: [chŏja Chi Hyŏng-sun ; pʻyŏnjip Kim Chʻung-ung]
Contributors: Kim, Chʻung-ung
Publisher: Ŭihak Kwahak Chʻulpʻansa
Published: 1991
Place of publication: [Pʻyŏngyang]
Language: kor
Number of pages: 139