Rodríguez, Ligia, and Shirley Rodríguez. “Methodological Process to Plan and Implement an Educational Campaign to Increase Bean Consumption”. Agronomía Mesoamericana 15, no. 3 (September 18, 2004): 327–341. Accessed April 24, 2024. https://revistas.ucr.ac.cr/index.php/agromeso/article/view/11885.