Technical committe Kassala. Appendix D (annexes) (1989) Water resources assessment and development project in the Sudan (WADS); Institute of Applied Geoscience; TNO; National Corporation for the Development of Rural Water Resources; NCDRWR
Village water supply programme South Darfur. Appendix F (1989) Water resources assessment and development project in the Sudan (WADS); Institute of Applied Geoscience; TNO; National Corporation for the Development of Rural Water Resources; NCDWR
Modelstudy Gash Basin. Appendix E (1989) Water resources assessment and development project in the Sudan (WADS); Institute of Applied Geoscience; TNO; National Corporation for the Development of Rural Water Resources; NCDWR