Espín Ortíz, Clímaco Geovani, Edison Eduardo Ruiz, and Julian Leoncio Rodríguez Rodríguez. “Proposal, Indicators Linked to Tourism Sustainability in Pastaza, Ecuador”. Ciencia Digital 3, no. 4.1 (November 8, 2019): 21-38. Accessed November 25, 2024. https://cienciadigital.org/revistacienciadigital2/index.php/CienciaDigital/article/view/972.