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The Sudan economy in disarray : essays on the crisis
edited by Ali Abdel Gadir Ali
Bok Engelsk 1985
Employment, productivity and incomes in rural Sudan
edited by Willem Keddeman and Ali Abdel G...
Bok Engelsk 1978
Some aspects of productivity in Sudanese traditional agriculture : the case of the Northern Province
Ali, Ali Abdel Gadir.
Bok Engelsk 1977