Lavilla, Miguel, Antonio Ivancovich, and Antonio Díaz-Paleo. “Diagrammatic Scale for Assessment the Severity of Cercospora Leaf Blight on Soybean (Glycine Max) Leaflets”. Agronomía Mesoamericana 33, no. 1 (October 11, 2021): 43338. Accessed January 26, 2022. https://revistas.ucr.ac.cr/index.php/agromeso/article/view/43338.