Apʻŭm ŭi sidae kŭ sam ŭi hyŏnjang esŏ
Subtitle: Sŏ Yang-min hyŏnjang kirok
Publisher: Kipʻŭn Saem
Published: 1990
Place of publication: Sŏul-si
Language: kor
Number of pages: 353
Subjects: Working class; Social conditions; Industrial relations