Conceptual frame to identification and test agro ecological alternatives in research. Revista Brasileira de Agroecologia, [S. l.], v. 6, n. 2, p. 3–12, 2011. Disponível em: https://periodicostestes.bce.unb.br/index.php/rbagroecologia/article/view/49197. Acesso em: 11 abr. 2025.