«Analysis of the Environmental Impact Generated by Backyard Swine Production in Tepetlán, Veracruz, Mexico: Pig Production Impact in Tepetlán, Veracruz». Agro Productividad (agosto 4, 2021). Accedido junio 13, 2026. https://mail.revista-agroproductividad.org/index.php/agroproductividad/article/view/1875.