Ot chaedansa suchʻŏp
By: [chŏja Yi Sŏng-u ... [et al.] ; pʻyŏnjip Kim Pong-pʻal, Kim Yun-myŏng]
Publisher: Kongŏp Chʻulpʻansa
Published: 1990
Place of publication: [Pʻyŏngyang]
Language: kor
Number of pages: 248