Chʻamdoen salm ŭl wihayŏ
By: Chʻae Hŭi-sŏk chiŭm
Series: Chumŏni kŭlchip -- 9
Publisher: Hyŏnjang Munhaksa
Published: 1989
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 168
Subjects: Working class; Labor unions