Hassan Salum, Nyejua, and Mohammed Hafidh Khalfan. “CHALLENGES FACING ISLAMIC BANKING IN ZANZIBAR : A CASE OF AMANA BANK AND PBZ ISLAMIC BANKING DIVISION ”. ABDULRAHMAN AL-SUMAIT University Journal (SUJ) (March 29, 2023): Page 10. Accessed March 23, 2026. https://journal.sumait.ac.tz/index.php/data/article/view/62.