Kujo yŏkhak kyesan supʻyo
By: [yŏkcha Yi Kŭn-hong, Ku Mun-gon ; simsaja Han Hŭi-bong, Chŏng Pong-hwa ; pʻyŏnjibwŏn Paek Hyŏn-bi].
Publisher: Kŏnsŏl Chʻulpʻansa
Published: 1964
Place of publication: Pʻyŏngyang
Language: kor
Number of pages: 822