NETWAS -Nairobi, KE, Network for Water and Sanitation and IRC International Water and Sanitation Centre, The Hague, NL, “Towards sustainable water resources management : a strategic approach : case studies, 15th - 24th July 2002, Nairobi, Kenya”. IRC, Delft, The Netherlands, p. 73 p. : maps, 2002.

Jobin, W.R., Tameim, O., El Gaddal, A.A., Zakaria, Z.B., and Hussein, H., “Control of schistosomiasis in the new Rahad irrigation scheme of Central Sudan”, Journal of tropical medicine and hygiene, pp. p. 115-124: fig., tab., 1985.