00603nam a2200145Ia 4500 20260716043135.0 16.01.01 T648 Tolba, Mostafa K. Earth summit and Africa's development International Institute of Tropical Agriculture IbadenNG 1993 22p. Addresses three topics viz. Rio de Janeiro and the concept of sustainable development; the environmental and economic situation that governs African development; and what can be done in Africa to achieve sustainable development. 3/7/00 M2LMGR M T648 41166 41166