Coward-Lord, J., Arroyo-Aguilú, J. A. and García-Molinari, O. (1974) “Proximate Nutrient Composition of 10 Tropical Forage Grasses”, The Journal of Agriculture of the University of Puerto Rico, 58(3), pp. 305–311. doi: 10.46429/jaupr.v58i3.10664.