Rara RGMB, Syarifah Gustiawati Mukri, Muhamad Fatihul Ihsan. Sharia Business Ethics and Its Relevance to Umrah Service Standards in Indonesia. MIZAN [Internet]. 2026 Feb. 28 [cited 2026 Mar. 10];14(1):1-13. Available from: https://ejournal.uika-bogor.ac.id/index.php/MIZAN/article/view/22997