KHAIRUL AZMAN SUHAIMY; HUSSAIN OTHMAN; MUSTAFFA IBRAHIM. TUN DR. ISMAIL: MERINTIS KEPIMPINAN BERINTEGRITI. [s.l.] : Penerbit UTHM,2012. Disponível em: https://publisher.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/82. Acesso em: 23 jul. 2026.