Statistical analysis in water resources engineering / Mamdouh Shahin, H.J.L. van Oorschot, S.J. de LangeHydrology and scarcity of water resources in the Arab region / Mamdouh ShahinHydrology and water resources of Africa / by Mamdouh ShahinWater resources and hydrometeorology of the Arab region / by Mamdouh ShahinHydrology of the Nile Basin / Mamdouh Shahin