Chamba Carrión, Yaniris Edith, and Luis Mauricio Maldonado Ruiz. 2025. “Comparative Digital Taxation: Effectiveness of Vat Models Applicable to Sports Betting Platforms in Spain and Ecuador (2018–2024)”. Espirales Revista Multidisciplinaria De investigación 9 (54):16-37. https://revistaespirales.com/index.php/es/article/view/889.