Nodong kibonkwŏn ŭi iron kwa silche
By: Yi Yŏng-hŭi
Edition: Chʻopʻan
Series: Kkachʻi kŭlpang -- 61
Publisher: Kkachʻi
Published: 1990
Place of publication: Sŏul-si
Language: kor
Number of pages: 323