Rivera Brenes, L. 1947. The utilization of grasses, legumes and other forage crops for cattle feeding in Puerto Rico I. Comparison of Guinea Grass, Para Grass "Malojillo" and a mixture of Para Grass and Tropical Kudzu as pasture crops. The Journal of Agriculture of the University of Puerto Rico. 31, 2 (Apr. 1947), 180–189. DOI:https://doi.org/10.46429/jaupr.v31i2.12845.