SAID, S.; RIDWAN, R.; ASRI, A. The Effect Of Service Quality, Trust And Crm On Umrah Pilgrims’ Loyalty In PT Atta Almukarramah Umroh & Haji Tourism I. Proceeding of Research and Civil Society Desemination, [S. l.], v. 3, n. 1, p. 73–85, 2025. DOI: 10.37476/presed.v3i1.114. Disponível em: https://prosiding.nobel.ac.id/index.php/preced/article/view/114. Acesso em: 4 feb. 2026.