Villafuerte, J. S. “Sowing Agroecology in Indigenous and Afro Peasants from Colombia, Ecuador, and Peru”. Letras Verdes. Revista Latinoamericana De Estudios Socioambientales, no. 22, Sept. 2017, pp. 97-119, doi:10.17141/letrasverdes.22.2017.2726.