00495nam a2200145Ia 450000500170000008000180001710000220003524500890005726000350014630000150018152001050019658300190030194200120032099900170033220260716043226.0  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  cMmS481  c42869d42869