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3conference_item bibliotecaUNESCO
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4Supporting papers: world food and nutrition study - v. 5: Study team 14: Agricultural Research Organization Supporting papers: world food and nutrition study - v. 5: Study team 14: Agricultural Research Organizationby York, E.T., National Academy of Sciences - National Research Council, Washington, D.C. (USA). Commission on International Relations eng, Hess, C., Miller, P., Murdock, J.T.
Published 1977Texto bibliotecaFAO IT