TY - BOOK AU - Williams, T. O. TI - Sustainable crop-livestock production for improved livelihoods and natural resource management in West Africa: proceedings SN - 929146161X U1 - 630.96757 PY - 2004/// CY - Nairobi, Kenya PB - International Livestock Research Institute KW - Agricultura sustentable KW - Agricultura KW - Africa KW - Cultivos KW - Ganadería KW - Congresos ER -