Tejeida, Ricardo, Juan Vargas, and Oswaldo Morales. “In Search of a Systemic Model of Municipal Integration for the Touristic Sustainable Development”. Proceedings of the 50th Annual Meeting of the ISSS - 2006, Sonoma, CA, USA00 (June 25, 2006). Accessed October 23, 2021. https://journals.isss.org/index.php/proceedings50th/article/view/331.