004620000a22001210004500003000900000005001700009245015800026264008000184300000800264041000800272650003100280650002900311PH-MaWHO20241108112059.0 aRepublic of Terrania : a case study on the economic and financial aspects of programmes and projects in the drinking water supply and sanitation sectors. a[s.l.] : bWorld Health Organization / World Bank Cooperative Prog.,c1980. a1v. aeng aWater supplyxCase studies aSanitationxCase studies