Pérez-Holguín, Wilson Javier, Isnardo Antonio Grandas-Rincón, Lizeth Natalia Ramírez-Acevedo, and Nixon Hernán Torres-Barrera. “Identification of the Main Active Ingredients of Agrochemicals Used Around the Lake of Tota, Colombia”. Ciencia y Agricultura 13, no. 1 (January 1, 2016): 91–106. Accessed December 1, 2021. https://revistas.uptc.edu.co/index.php/ciencia_agricultura/article/view/4809.