3 treff

agricultural productivity congresses africa
Land in African agrarian systems
edited by Thomas J. Bassett and Donald E....
Bok Engelsk 1993 · Vis mer
Population growth and agricultural change in Africa
edited by B. L. Turner, Goran Hyden, and ...
Bok Engelsk 1993 · Vis mer
The Challenges of agricultural production and food security in Africa
edited by Olusegun Obasanjo and Hans d'Or...
Bok Engelsk 1992 · Vis mer