鑛勞20年略史
By: Pang Hong-gyu pʻyŏnchʻan
Publisher: Chŏnʾguk Kwangsan Nodong Chohap
Published: 1969
Place of publication: Sŏul
Language: kor
Number of pages: 84
Subjects: History; Chŏnʾguk Kwangsan Nodong Chohap
Other titles: Kwangno isimnyŏn yaksa