Nodong chaengŭikwŏn e kwanhan yŏnʼgu
Subtitle: chaengŭi haengwi ŭi chŏngdangsŏng hankye
By: Im Ki-yŏp [chechʻul]
Published: 1963
Place of publication: [Sŏul]
Language: kor
Number of pages: 135
Subjects: Labor disputes