Bernardino Hernández, Héctor Ulises, Ramón Mariaca Méndez, Austreberta Nazar Beutelspacher, José David Álvarez Solís, Arturo Torres Dosal, and Crispín Herrera Portugal. 2017. “Producer’s Perceptions of Pesticide Use in Three Agricultural Systems in the Chiapas Higlands, Mexico”. Acta Universitaria 27 (4): 19-34. https://doi.org/10.15174/au.2017.1188.