@incollection{, F35853DCF553579DDCC85D341B5F943D , author={{Abdeen MustafaOmer} and {Energy Research Institute (ERI), UK}}, journal={{Global Journal of Human Social Sciences}}, journal={{GJHSS}}2249-460X0975-587X10.34257/GJHSS, address={Cambridge, United States}, publisher={Global Journals Organisation}1331330 } @book{b0, , title={{Map of the world distribution regions}} , author={{ Anon }} , year={1979} , address={MAB Tech Note 7} } @book{b1, , title={{ASCE Task Committee on Sustainability Criteria, Sustainability Criteria for Water Resource Systems}} , author={{ Asce }} , year={1998} , address={Reston, Virginia, USA} } @book{b2, , title={{FAO United Nations Food and Agriculture Organisation}} , year={1999} , address={Rome: Italy} , note={The State of Food in Security in the World} } @book{b3, , title={{Managing water as economic resources', Overseas Development Institute (ODI)}} , author={{ WJames }} , year={1994} , address={UK.} } @incollection{b4, , title={{Conservation planning and management of limited water resources in arid and semi-arid areas}} , author={{ RMNoureddine }} , booktitle={{Proceedings of the 9 th Session of the Regional Commission on Land and Water Use in the Near East}} the 9 th Session of the Regional Commission on Land and Water Use in the Near EastRabat; Morocco , year={1997} } @incollection{b5, , title={{Water resources in Sudan}} , author={{ AMOmer }} , journal={{NETWAS}} 2 , year={1995} } @incollection{b6, , title={{Water and environment in Sudan: the challenges of the new millennium}} , author={{ AMOmer }} , journal={{NETWAS}} 7 2 , year={2000} } @incollection{b7, , title={{Water development in Sudan: Present and future challenges. Arab Organisation for Agriculture Development (AOAD)}} , author={{ AMOmer }} , journal={{Arabic Journal}} , year={2001} , publisher={Sudan} } @incollection{b8, , title={{Focus on groundwater in Sudan}} , author={{ AMOmer }} , journal={{International Journal of Geosciences Environmental Geology}} 41 8 , year={2002} } @incollection{b9, , title={{Water resources development and management in the Republic of the Sudan}} , author={{ AMOmer }} , journal={{Water and Energy International}} 61 4 , year={2004} } @incollection{b10, , title={{Water resources in the Sudan}} , author={{ AMOmer }} , journal={{Water International}} 32 5 , year={2008} } @book{b11, , title={{Sudan profile of agricultural potential}} , editor={Overseas Development Administration (ODA).} , year={1987. 1987} , address={Survey, UK} } @book{b12, , title={{Water scarcity and sustainable development', Nature and Resources 28}} , author={{ AM ASalih } and { Ali } and { AA G }} , year={1992} 1 } @book{b13, , title={{Private sector irrigation in Africa-Water resources and irrigation policy studies}} , author={{ DSeckler }} , year={1992} , publisher={Winrock International Institute for Agricultural Development} } @incollection{b14, , title={{Sustainability criteria for water resource systems, Cambridge}} , journal={{UNESCO}} , year={1999} , publisher={Cambridge University Press} , note={UNESCO Working Group M.IV} } @book{b15, , title={{World Health Organisation (WHO)}} , year={2006} , address={Geneva: Switzerland} , note={Water norms and attitudes} } @book{b16, , title={{World Resources Institute (WRI)}} , year={2002. 2000-2001} , address={USA} , note={World Resources} }