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  1. 1

    Backyard and commercial piggeries in the Philippines environmental consequences and pollution control options por Catelo, Ma. Angeles O.

    Publicado 2001
    Libro

    Backyard and commercial piggeries in the Philippines environmental consequences and pollution control options
  2. 2

    Methanol production from cattle feedlot manure por Bareno, Jocelyn D.

    Publicado 1980
    Thesis

    Methanol production from cattle feedlot manure

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