Rivera, Jaime, Roberto Cabrales Rodríguez, and Rafael Ángel Montoya Báez. “Effect of the Population Density of Itchgrass (Rottboellia Cochinchinensis L. SW. Clayton) on the Cultivation of Maize Ica V - 109”. Sour topics 12, no. 2 (July 1, 2007): 51–61. Accessed July 3, 2024. https://revistas.unicordoba.edu.co/index.php/temasagrarios/article/view/657.