Velázquez López, Juan, José Pedro Juárez Sánchez, Benito Ramírez Valverde, Juan Jiménez Morales, Oswaldo Rey Taboada Gaytán, and Manuel Del Valle Sánchez. “Adoption of Agricultural Technology and Its Influence on Productivity and Competitiveness of Maize in the Central-Eastern Region of the State of Puebla, Mexico”. Revista de Geografía Agrícola, no. 63 (November 22, 2019): 101–119. Accessed May 20, 2024. https://revistas.chapingo.mx/geografia/article/view/r.rga.2019.63.02.