On sahoe ŭi hyŏngmyŏnghwa, nodong kyegŭphwa, intʻerihwa
By: [chŏja Pak Il-bŏm ... et al.].
Contributors: Pak, Il-bŏm.
Publisher: Kwahak, Paekkwa Sajŏn Chʻulpʻansa
Published: 1983
Place of publication: [Pʻyŏngyang]
Language: kor
Number of pages: 188
Subjects: Socialism -- Korea (North)