Fadhila Maisura, Achyar G. Umrah Travel Rescheduling in Banda Aceh: Ijārah ‘Alā al-Amāl and Contractual Certainty under Sharia Economic Law. JJHK [Internet]. 2024 Jun. 30 [cited 2026 Oct. 12];8(1):42-57. Available from: https://www.jurista-journal.org/index.php/jurista/article/view/104