Nong cun lao dong wei sheng
By: Baiqiu'en yi ke da xue wei sheng xue jiao yan shi zhu bian
Edition: Di 1 ban
Publisher: Jilin ren min chu ban she; Jilin Sheng xin hua shu dian fa xing
Published: 1979
Place of publication: [Changchun Shi]
Language: chi
Number of pages: 153
Subjects: Safety measures; Agricultural laborers; Farms; Diseases