Ijulsu ŏmnŭn mosŭptŭl
Subtitle: chungpʻyŏn sosŏl
By: Yu Chŏng-ok
Publisher: Kŭmsŏng Chʻŏngnyŏn Chʻulpʻansa
Published: 2005
Place of publication: [Pʻyŏngyang]
Language: kor
Number of pages: 147