Carlo, Ismael, Radaí Mendoza, and Jaime Vélez. “Evaluation of Different Feeding Systems in Beef Cattle Production”. The Journal of Agriculture of the University of Puerto Rico 56, no. 4 (October 1, 1972): 327–336. Accessed December 22, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/10796.