Chibang sanŏp palchŏn esŏ ŭi hwoekkijŏk chŏnbyŏn ŭl irŭk;in Chosŏn Nodongdang Chungang Wiwŏnhoe 6-wŏl chŏnwŏn hoeŭi
Publisher: Kwahagwŏn
Published: 2010
Place of publication: P'yŏngyang
Language: kor