Title: Anjŏn kwalli chʻongnam = Encyclopedia of safety control /
Authors: Yi, Kŭn-hŭi, 1931-; Han'guk Nodong Munje Yŏn'guwŏn
Publisher: Sŏngwŏn Anjŏn Yŏnʾgusa,
Year: 1977
Subjects: Industrial safety; Industrial safety Korea.