Mascary, M., P. F. Randel, and E. Riquelme-Villagrán. “Supplementation of Dairy Cows by Restricted Grazing for 3 Hours Daily in Leucaena Leucocephala During Dry and Rainy Seasons”. The Journal of Agriculture of the University of Puerto Rico, vol. 76, no. 2, Apr. 1992, pp. 83-91, doi:10.46429/jaupr.v76i2.4136.