1. Zuo hao chu fang he shi tang de wei sheng (yi) Publication: [Zhongguo : bu xiang, 1955] Subject(s): Food Contamination -- prevention & controlHygienePublic FacilitiesChina
2. Zuo hao chu fang he shi tang de wei sheng (er) Publication: [Zhongguo : bu xiang, 1955] Subject(s): Food Contamination -- prevention & controlHygienePublic FacilitiesChina
3. Zuo hao chu fang he shi tang de wei sheng (san) Publication: [Zhongguo : bu xiang, 1955] Subject(s): HygieneFood Contamination -- prevention & controlPublic FacilitiesChina