Nodong tʻonggye haesŏl
Series: Nodong sinsŏ -- 2
Publisher: Nochʻong Chʻulpʻanbu
Published: 1985
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 161
Subjects: Labor and laboring classes; Statistics