Khairul Azman Suhaimy, Hussain Othman, Mustaffa Ibrahim. TUN DR. ISMAIL: MERINTIS KEPIMPINAN BERINTEGRITI. Penerbit UTHM; 2012. Accessed April 10, 2026. https://penerbit.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/82