VERA O., Beatriz. Urban agriculture and sustainability in Valdivia, Chile. A new small enterprise alternative. Urbano, [S. l.], v. 12, n. 20, p. 7–12, 2009. Disponível em: https://revistas.ubiobio.cl/index.php/RU/article/view/321. Acesso em: 16 oct. 2026.