Fakih, Sharifa Khamis, and Abdalla Ussi Hamad. 2026. “Effectiveness of Extrinsic Reward Management System on Employee Performance: A Case of Office of the Controller and Auditor General Zanzibar”. European Journal of Applied Sciences 14 (01):68-78. https://scholarpublishing.org/journals/index.php/EJAS/article/view/138.