Briones-Juárez, Abraham, Ricardo Tejeida Padilla, Erika Cruz-Coria, and Isaías Badillo-Piña. “Theoretical Proposal from Systems’ Thinking for the Intelligent Tourism System”. Proceedings of the 61st Annual Meeting of the ISSS - 2017 Vienna, Austria 2017, no. 1 (September 1, 2019). Accessed March 29, 2023. https://journals.isss.org/index.php/proceedings61st/article/view/3226.