ÁLVAREZ, Fernando de Jesús. Peasant schools of agroecology: a sustainable endogenous development strategy in the municipality of Tuluá. Revista de Investigación Agraria y Ambiental, Colombia,CO, v. 1, n. 2, p. 51–63, 2010. DOI: 10.22490/21456453.898. Disponível em: https://hemeroteca.unad.edu.co/index.php/riaa/article/view/898. Acesso em: 5 dec. 2025.