Cuervo Vivas, Wilmer Alfonso, et al. “Historical Analysis of Chemical Composition of Tropical Grasses in Colombia Between 1985 and 2015. I – Forage Grasses”. Revista De Investigación Agraria Y Ambiental, vol. 10, no. 2, June 2019, pp. 89-114, https://doi.org/10.22490/21456453.2415.