Title:Mercados agroalimentares do Vale do Jaguari (RS): o caso das frutas, legumes e verduras (flv) / Agrifood markets of the Vale do Jaguari (RS): the case of fruits, vegetables and viridity (fvv)
Title:Determinación de la demanda química de oxígeno de aguas residuales de agroindustrias por colorimetría con reactivo concentrado / Evaluation of the chemical oxigen demand of agriculture-industrial wastewaters by the spectrophotometric method using concentrated reagent