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Natürliche Ressourcen und ländliche Entwicklungsprobleme der Tropen : Festschrift für Walther Manshard
Manshard, Walther, (1988)
Tropical root crops and rural development
Goering, T. James, (1979)
Competition for resources in a changing world : new drive for rural development ; Tropentag 2008. [October 7 - 9, 2008, University of Hohenheim, Stuttgart]
Tielkes, Eric, (2008)
Agricultural compendium : for rural development in the tropics and subtropics
(1985)