Cancel, L. E., J. M. Rivera-Ortíz, and M. C. Ruíz de Montalvo. “Separating and Washing Coffee Harvested With Plastic Nets”. The Journal of Agriculture of the University of Puerto Rico 56, no. 1 (January 1, 1972): 11–17. Accessed April 18, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/10881.