Good practices for estimating reliable willingness-to-pay values in the water supply and sanitation sector - Gunatilake, Herath; Asian Development Bank. (Mandaluyong City Asian Development Bank, 2007)
Keywords: Water supply -- Economic aspects -- Developing countries; Sanitation -- Asia; Sanitation -- Economic aspects -- Developing countries; Willingness to pay -- Developing countries; Contigent valuation -- Developing countries