00442nam a2200121Ia 450000500170000008000180001710000220003524500890005726000350014630000150018152001050019658300190030120260716043226.0 a17.05.05 S481 aSergaldin, Ismail aWater supply, sanitation, and environmental sustainability : the financing challenge bWorld BankaWashingtonUSc1994 avii, 35 p. aFocuses on environmentally sustainable and equitable development of the water and sanitation sector. c3/7/00kM2LMGR