FIRDAUS, Hafida; AZIZ, Abd; GHAFUR, Abd. 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://e-journal.lp2m.uinjambi.ac.id/ojp/index.php/iltizam/article/view/1795. Acesso em: 4 dec. 2025.