机译:Role of rag pickers in solid waste management: a case study of Mirzapur, U.P.
Kolkata Zonal Laboratory, National Environmental Engineering Research Institute, 1-8 Sec-C, EKDP, EM byepass, Kolkata-700107, India;
Institute of Environment and Sustainable Development, Banaras Hindu University, Varanasi-221005, India;