Ramírez López, Juan Manuel, Neptalí Ramírez Marcial, Héctor Sergio Cortina Villar, and Miguel Ángel Castillo Santiago. “Firewood Deficit in Coffee-Growing Communities of Chenalhó, Chiapas”. Ra Ximhai 8, no. 3 Especial (December 31, 2012): 27–39. Accessed November 12, 2026. https://raximhai.uaim.edu.mx/index.php/rx/article/view/920.