Sahoejuŭi chaesaengsan ŭi hamnijŏk chojik
By: Yi Myŏng-sŏ
Publisher: Sahoe Kwahak Chʻulpʻansa
Published: 1991
Place of publication: [Pʻyŏngyang]
Language: kor
Number of pages: 234
Notes: Cover title.