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1Texto bibliotecaFAO IT
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2Texto bibliotecaIICA
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3
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4
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5Digital revistaSCIELO
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6by Meek, P. (comp.), Department of Primary Industries and Energy, Canberra (Australia). Bureau of Rural Resources eng, O'Brien, P. (ed.)
Published 1992Texto bibliotecaFAO IT -
7by Rojko, A., Economics, Statistics, and Cooperatives Service, Washington, D.C. (USA) eng, Regier, D., O'Brien, P., Bailey, L., Fuchs, H.
Published 1978Texto bibliotecaFAO IT -
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9by 100152 O'brien, P., 93998 Meyers, L.R., 1278 Banco Mundial, Washington, D.C. (EUA), 34022 9. Agriculture Sector Symposium (EUA) 10-11 Ene 1989
Published 1989Texto bibliotecaIICA