Biblio

W. R. Jobin, Tameim, O., Gaddal, A. A. El, 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.

A. T. White, “Report on duty-travel to the Rahad Irrigation Scheme, Sudan September 27 - October 14, 1980”, vol. no. 18. IRC, The Hague, The Netherlands, p. 32 p. + 5 p. annexes, 1980.