@book{74160,
	author = {Snehalatha, M, etal.,                                       },
	title = {Nirmal gram puraskar and sanitation service levels.                                                                     },
	publisher = {Centre for economic and social studies                      },
	year = {2012},
	series = {WASHCost-CESS, Working  paper 126   },
	address = {Hyderabad                                                   }
}