Cevallos Najar, Emerson, Franco Canziani Amico, and Wilder Malca Arrieta. “Production of Ecological Charcoal from Coffee and Cocoa Waste Obtained through Pyrolysis Technology, in the Province of La Convención, Cusco”. LACCEI 1, no. 12 (July 27, 2025). Accessed October 3, 2026. https://proceedings.laccei.org/index.php/laccei/article/view/4205.