Farfán-Valencia, Fernando, and lina. “Densities and Coffee Renewal Cycles in an Agroforestry System in the Department of Norte De Santander”. Cenicafe Journal 71, no. 2 (December 29, 2019): 66–72. Accessed March 23, 2026. https://publicaciones.cenicafe.org/index.php/cenicafe/article/view/57.