Efektifitas Sistem Pelayanan Haji dan Umroh Dalam Meningkatkan Kepuasan Jamaah di PT. Safara Layanan Utama Probolinggo. ILTIZAM Journal of Shariah Economics Research, [S. l.], v. 7, n. 1, p. 61–72, 2023. DOI: 10.30631/iltizam.v7i1.1795. Disponível em: https://ojp.lp2m.uinjambi.ac.id/index.php/iltizam/article/view/1795. Acesso em: 23 apr. 2026.