Nagwŏn ŭro kanŭn kil
Subtitle: chʻo kojung haksaeng yong
By: Pak Chʻung-bae chŏ
Publisher: Adong Tosŏ Chʻulpʻansa
Published: 1959
Place of publication: Pʻyŏngyang
Language: kor
Number of pages: 118