Biblio

B. McNelis and Derrick, A., “Solar water pumping : clean water for rural areas”. IT Power, Eversley, UK, p. [19] p.: fig., 1989.

S. D. National C. Khartoum and Delft, N. L. T. N. O. - D. G. V. In, “Water resources assessment and development project in the Sudan (WADS). Appendix H : Manual for extension workers”. TNO Institute for Applied Geoscience, Delft, The Netherlands, p. 149 p., 1989.

S. D. National C. Khartoum and Delft, N. L. T. N. O. - D. G. V. In, “Water resources assessment and development project in the Sudan (WADS) : extension for village water supply : appendix G”. TNO Institute for Applied Geoscience, Delft, The Netherlands, p. vi, 123 p.: fig., tab., 1989.

M. T. Boot, Mansour, A. E., Medani, M. N., and Yousif, M. A., “End of mission report for the WADS project, Nyala, Sudan”. IRC, The Hague, The Netherlands, p. 2 vol. (43, 72 p.): tab., 1988.

N. L. I. W. A. C. O. - Rotterdam, Khartoum, S. D. National C., and Delft, N. L. T. N. O. - D. G. V. In, “Management skills development programme : module 2 : planning”. TNO Institute for Applied Geoscience, Delft, The Netherlands, p. 48 p., 1988.

N. L. I. W. A. C. O. - Rotterdam, Khartoum, S. D. National C., and Delft, N. L. T. N. O. - D. G. V. In, Management skills development programme : module 3 : 3.1. how to control a meeting : 3.2 basics of network planning. Rotterdam, The Netherlands: IWACO, 1988, p. 39 p.

W. Senden and Salih, M. K., “Water resources assessment and development programme in the Sudan (WADS) : progress report, 1 January 1986 - 1 June 1987”. TNO Institute for Applied Geoscience, Delft, The Netherlands, p. 35, 37 p.: fig., 1987.

W. Herrich, “Water resources assessment and development project in the Sudan (WADS) : presentation of a village-survey, - rational and methodology”. Sudan, Water Resources Assessment and Development Project, Nyala, Sudan, p. 48 p., 1987.