African perspectives : an exchange of essays on the economic geography of nine African states / assembled and organized by Harm J. de Blij and Esmond Martin, assisted by Ali Memon - 1st ed - New York : Methuen, 1980 - xxiii, 264 p. : ill. ; 23cm Includes bibliographical references and index ISBN: 0416602312 RM17.95 LCCN: 80-13953 Subjects--Geographic Terms: Africa, Sub-Saharan--Economic conditions--Addresses, essays, lectures