Acuña, Oscar, and Lidieth Uribe. “Inoculation of the Common Bean With Three Selected Strains of Rhizobium Leguminosarum Bv. Phaseoli.”. Agronomía Mesoamericana 7, no. 1 (June 2, 2016): 35-40. Accessed January 29, 2020. https://revistas.ucr.ac.cr/index.php/agromeso/article/view/24786.