SURYAWAN, R. F.; ASSAGAF, A.; SUYANTO; SUKESI; RIYADI, S. Enhancing Company Value through Customer Loyalty in Umrah Travel Agencies. Jurnal Ilmiah Manajemen Kesatuan, [S. l.], v. 13, n. 4, p. 2781–2794, 2025. DOI: 10.37641/jimkes.v13i4.3517. Disponível em: https://jurnal.ibik.ac.id/index.php/jimkes/article/view/3517. Acesso em: 13 jun. 2026.