Biblio

A. M. A. Salih, Khouri, J., Abdulrazzak, M., Kallel, M. R., and Adam, H., “Rainfall water management in the Arab region : state of the art report”. UNESCO Regional Office for Science and Technology for the Arab States, Cairo, Egypt, p. vii, 147 p. : 41 fig., 10 tab., 1995.

A. M. A. Salih and Khadam, M. A. A., “Water resources in Sudan”. Council for Scientific and Technological Research, Khartoum, Sudan, p. xii, 233 p.: fig., tab., 1982.