Forum on environmental protection and development of subregional strategy to combat desertification, 1990 1990
A field guide to the trees and shrubs of the Imatong Mountains, southern Sudan 1990 Sommerlatte, Hilary | Sommerlatte, Malte |
Institutional models for managing Africa's environment : a case study of Sudan's Institute of Environmental Studies 1989 El Khalifa, M. D. | Mohamed, Y. A. | Ford, Richard B. |
Report on a feasibility study on a proposed conservation area in Southern Darfur, Sudan 1974 Field, P. A. G. |