M. Hefny

Water commoditization: An ethical perspective for a sustainable use and management of water resources, with special reference to the Arab Region

M. Hefny, 2010 .

Egypt and the Nile Basin

M. Hefny, S. Amer, 2005, Aquatic Sciences.

Sustainable development and international cooperation in the Eastern Nile Basin

Y. Arsano, I. Tamrat, M. Hefny, 2005, Aquatic Sciences.