Garzón, Pablo, Valeria de Lourdes Ochoa-Herrera, and Ródny Peñafiel. 2015. “Methane Gas Generation from Palm Oil Mill Effluent in Experimental Biodigesters”. ACI Avances En Ciencias E Ingenierías 7 (2). https://doi.org/10.18272/aci.v7i2.274.