Paulo Petersen
AS-PTA, Rio de Janeiro, Brazil.
A pedagogical tool
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Cartilha Economia Solidaria n°4: Produção agroecológicae cadeia solidária
Paulo Petersen, Boni Idalina, 2011
Analysis document/working paper/article
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gronomy for Sustainable Development Official journal of the Institut National de la Recherche Agronomique (INRA) Springer
Miguel A. Altieri, Fernando R. Funes-Monzote, Paulo Petersen, November 2011