2024-11-0919960250-806010.1080/025080696086864802-s2.0-0030472271http://dx.doi.org/10.1080/02508069608686480https://hdl.handle.net/20.500.14288/14549N/ACivil engineeringWater-supplyWater problems: can the United Nations help? a discussion with special reference to the Middle EastJournal ArticleA1996UJ82400001Q28594