TY - BOOK T1 - Willingness-to-pay and design of water supply and sanitation projects a case study T2 - ERD technical note series A2 - Gunatilake, Herath LA - English PP - Mandaluyong City PB - Asian Development Bank YR - 2006 UL - https://tuklas.up.edu.ph/Record/UP-99796217609022147 OP - 42 CN - HC 412 A845 2006 no.19 KW - Water-supply : Asia. KW - Sanitation : Asia. KW - Willingness to pay : Asia. ER -