“Speech Act of Commissives and Expressives: A Case Study on the Speech of Tun Dr. Mahathir in the 1MDB issue”, INSANIAH, vol. 3, no. 2, pp. 73–91, Oct. 2020, Accessed: Feb. 15, 2026. [Online]. Available: https://journal.umk.edu.my/index.php/insaniah/article/view/150