SÁEZ CALA, Antonia. Tourism micro clusters: a planning tool for the tourism development in depressed rural zones?. Semestre Económico, [S. l.], v. 12, n. 24, p. 57–68, 2009. Disponível em: https://revistas.udem.edu.co/index.php/economico/article/view/283. Acesso em: 17 apr. 2026.