Zinah, Fitriyatus, Nuzulur Rohmah, and Aang Kunaifi``. “Development of the Hajj Savings Mechanism With the Wadi’ah Agreement on BSI Surabaya Basuki Rahmat”. Danadyaksa: Post Modern Economy Journal 2, no. 1 (October 8, 2024): 48–57. Accessed December 26, 2025. https://e-journal.bustanul-ulum.id/index.php/danadyaksa/article/view/89.