Nodong sigan tanchʻuk
By: Yi Kwang-sŏk.
Edition: Chʻopʻan
Series: Nochʻong Yŏnʼguwŏn sinsŏ -- 2
Publisher: Hanʼguk Nochʻong Chungang Yŏnʼguwŏn
Published: 1999
Place of publication: Sŏul-si
Language: kor
Number of pages: 101
Subjects: Hours of labor -- Korea (South); Eight-hour movement -- Korea (South)