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The end of desertification? : disputing environmental change in the Drylands
Behnke, Roy H., (2016)
Global environmental governance : the United Nations convention to combat desertification
Rechkemmer, Andreas, (2004)
Desert development : man and technology in Sparselands
Gradus, Yehudah, (1985)
African seed enterprises : sowing the seeds of food security
Van Mele, Paul, (2011)
Monthly bulletin of agricultural economics and statistics
Collection FAO: la commercialisation / La commercialisation