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Collective action for grazing land management in mixed crop-livestock systems in the highlands of northern Ethiopia / Berhanu Gebremedhin, J. Pender and Girmay Tesfay
(Socio-economics and policy research working paper ; 42)

データ種別	図書
著者標目	Gebremedhin, Berhanu Pender, J. Tesfay, Girmay
出版情報	Nairobi, Kenya : International Livestock Research Institute , c2002