SYED DAWILAH EL-EDRUS; HUSSAIN OTHMAN; AHMAD ESA. Tun Abdullah Hj. Ahmad Badawi : Bapa Pembangunan Modal Insan Negara. [s.l.] : Penerbit UTHM,2010. Disponível em: https://penerbit.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/282.. Acesso em: 18 jul. 2024.