Best practices and sustainable tourism in the Community Tourism Centers of Riobamba Canton. PREPRINT UEA, 2026. DOI: 10.59410/PREPRINT-UEA-v2026ep09-1209. Disponível em: https://preprints.uea.edu.ec/index.php/uea/preprint/view/1209. Acesso em: 8 nov. 2026.