ALIFAH, Sofia; HERMAWAN, Haris; FATIMAH, Feti. Loyalitas Jamaah Umrah-Haji: Peran Kualitas Layanan, Kepercayaan, dan Customer Retention melalui Kepuasan pada PT Relasi Laksana Wisata Jember. Jurnal Penelitian IPTEKS, [S. l.], v. 11, n. 2, p. 189–197, 2026. DOI: 10.32528/penelitianipteks.v11i2.5550. Disponível em: https://ejurnal.unmuhjember.ac.id/index.php/PENELITIAN_IPTEKS/article/view/5550. Acesso em: 4 aug. 2026.