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Alvarez, Nadir [Inst.]; Garine, Eric; Khasah, Celestin; Dounias, Edmond; Hossaert-McKey, Martine; MacKey, Doyle, 2005 Farmers' practices, metapopulation dynamics, and conservation of agricultural biodiversity on-farm : a case study of sorghum among the Duupa in sub-sahelian Cameroon Notice détaillée |