The Impact of Relationship Marketing Levels on Non-Financial Hotel Performance Case of Study:Four and Five-Star Shiraz Hotels. International Academic Research Journal of Business and Management, [S. l.], v. 1, n. 7, p. 20–30, 2024. Disponível em: https://www.acrpub.com/index.php/iarjbm/article/view/52.. Acesso em: 13 sep. 2025.