Mohamad Asrol Ar Pidi and , Ishak Saat, KEPIMPINAN TUN ABDUL RAZAK ERA 1969-1970. Penerbit UTHM, 2018. Accessed: Aug. 26, 2026. [Online]. Available: https://monograph.uthm.edu.my/index.php/penerbituthm/catalog/book/201