Recognizing local agro-ecological knowledge in sustainable intensification of tree-crop-livestock farming systems - Shiferaw, T.; Lamond, G.; Gebrekirstos, Aster; Meles, K.; Aynekulu, Ermias; Hachoofwe, E.M.; Mowo, J.; Garrity, Dennis P.; Sinclair, Fergus L. (World Agroforestry Centre, 2013)