1. District Census Hand Book, (1981-1991-2001). Maharashtra, India.
2. Georgiou,S.and Bateman, I. (2000). Contingent Ranking and Valuation of River Water Quality Improvement, CSERGE working Paper, Birmingham, 12–20.
3. Markandeya, A. and Murty, M.N. (2000). A Cost-Benefit Analysis of the Gaga Action Plan: Cleaning-up the Ganges, Oxford University Press, New Delhi, 116–137.
4. Mourato, S. (1997), Estimating the value of water quality improvement in Lake Balaton: a contingent valuation study, Report to DEXII, European Commission, Brussels, 22–23.
5. Nagarkar, S. (1997). A Survey of the Water Quality of Mula, Mutha and Pavana, School of Health Sciences, University of Pune, India, 3.