Prieto-Manrique, E., J. E. Vargas-Sánchez, J. Angulo-Arizala, and L. Mahecha Ledesma. “Vegetable Oils on in Vitro Fatty Acids and Methane Production in Dairy Cows”. Agronomía Mesoamericana, vol. 28, no. 1, Dec. 2016, pp. 1-18, doi:10.15517/am.v28i1.22034.