SciELO - Scientific Electronic Library Online

SciELO.org - Scientific Electronic Library Online

Links

BARROS, Geraldo Sant'Ana de Camargo (2008). Coment?os sobre c?ulo do PIB Agro Cepea-USP/CNA. www.cepea.esalq.usp.br/pib/ (downloaded 12 january 2008)

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