Castillo-LunaMaría, and Gómez-GómezRobin. “Effect of Soil Steam Sterilization on Weed Seeds.”. Agronomía Mesoamericana 27, no. 2 (June 20, 2016): 409-413. Accessed May 30, 2020. https://revistas.ucr.ac.cr/index.php/agromeso/article/view/21286.