Hu, Shouchuang, Jun Chen, Ke Wu, Zhongkai Zhou, Tingting Cheng, and Dongbiao Wu. 2017. “OPTIMIZATION OF MUNICIPAL SOLID WASTE COLLECTION SYSTEM IN HEFEI CITY OF CHINA”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June): 97-101. https://doi.org/10.17770/etr2017vol3.2601.