MTHULI Z. NCUBE. 7 - Book Reviews: SADCC: Prospects for Disengagement and Development in Southern Africa, Samir Amin, Derick Chitala and Ibbo Mandaza - The United Nations University, ZED Books Ltd., London and New Jersey, 1987.: by Mthuli Z. Ncube. Africa Development, v. 16, n. 2, 11 June1991.