كتاب المياه العربية والإسلامية

United nation population duision, world resources 2000-200.

P.H,Gleick, The World Water 2000-2001, P.98.

AQUASTAT-FAOS information system on water and Agriculture http://www.akhbaralarab.net/index.php/local/22719-2010-04-14-15-01-58 : المصدر

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