Nodongdang sidae ŭi yŏngung tŭl
Subtitle: Tŏkchʻŏn chadongchʻa kongchang eso
Publisher: Chikŏp Tongmaeng Chʻulpʻansa
Published: 1961
Place of publication: [Pʻyŏngyang]
Language: kor
Number of pages: 265