Francisco-Arriaga, Fidel, Hilda R. Guerrero García-Rojas, Antonio Kido-Cruz, and María Teresa Cortés-Zavala. 2011. “Income Generated by Forest Resource Harvesting in Pichátaro, Michoacán, México”. Agricultura, Sociedad Y Desarrollo 8 (1):107-17. https://revista-asyd.org/index.php/asyd/article/view/1146.