Rivera Brenes, Luis. 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):180-89. https://doi.org/10.46429/jaupr.v31i2.12845.