Unigarro, Carlos Andrés, Claudia Patricia Flórez, Carlos Eugenio Oliveros, and Myriam Cañón. “Effects of Four Ethylene Inhibitors on the Ripening of Coffee (Coffea Arabica L.) Fruits During the Pre-Harvest Period”. Revista Colombiana de Ciencias Hortícolas 12, no. 2 (September 21, 2018): 500–507. Accessed December 6, 2021. https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/7667.