Sibaja Madera, Francisco Javier, and José Roberto Álvarez Múnera. “From Native Seeds to Certified Ceeds Corn and Agronomy in Antioquia (1920-1980)”. Anuario de Historia Regional y de las Fronteras 26, no. 1 (December 18, 2020): 153–186. Accessed July 22, 2024. https://revistas.uis.edu.co/index.php/anuariohistoria/article/view/11798.