The effectiveness of loyalty programs in the hospitality and travel industry. International Journal of Research, Innovation and Practice, [S. l.], v. 1, n. 2, p. 102–111, 2026. DOI: 10.67497/ijrip.1.2.56. Disponível em: https://theglobalpublishers.org/journals/index.php/ijrip/article/view/56. Acesso em: 28 jul. 2026.