Briones-Juarez, Abraham, Ricardo Tejeida-Padilla, and Oswaldo Morales-Matamoros. “TOWARD THE EVOLUTION OF THE TOURISM’S CONCEPTUAL SYSTEM”. Proceedings of the 53rd Annual Meeting of the ISSS - 2009, Brisbane, Australia 1, no. 1 (July 5, 2009). Accessed October 21, 2021. https://journals.isss.org/index.php/proceedings53rd/article/view/1232.