00618nam a2200157Ia 4500008004100000040001700041082003000058100002200088110008300110245011500193260004600308300000900354440003300363650003800396700002600434190327s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta628.11091724bA832E  aWhittington, Dale  aAsian Development Bank. Economic and Development Resource Center (Philippines) 4aThe economic benefits of potable water supply projects to households in developing countriescDale Whittington  aPhilippinesbAsian Development Bankc1994  a87p.  aEconomic staff paper; no. 53  aWater supply-Developing countries  aSwarna, Venkateswarlu