00550nam a2200121Ia 450000500170000008000180001710000220003524500420005726000680009930000090016752002330017658300190040920260716043135.0  a16.01.01 T648  aTolba, Mostafa K.  aEarth summit and Africa's development  bInternational Institute of Tropical AgricultureaIbadenNGc1993  a22p.  aAddresses 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.  c3/7/00kM2LMGR