1. American Water Works Association (AWWA) Water meters-Selection, installation, testing, and maintenance Manual of Water Supply Practices M6 Denver, Colo. 1973
2. AWWA Water rates Manual of Water Supply Practices M1 Denver, Colo. 1983
3. The effect of metering on water consumption in Honiara-British Solomon Islands;Berry;J. Inst. Water Eng.,1972
4. Impact of conservation on rates and operating costs;Bhatt;J. Water Resour. Plann. Manage. Am. Soc. Civ. Eng.,1985