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1by 44944 Atta-Krah, A., 99671 Nordblom, T.L., 40742 Ahmed, A.K.H., 106550 Potts, G.R., Centro Internacional de Investigaciones para el Desarrollo (CIID) Ottawa (Canada) Ottawa, Canada 5221, Research Methodology for Livestock on-farm Trials Workshop Aleppo (Siria) 25-28 Mar 1985
Published 1985Texto bibliotecaIICA