Md Ramlan, Saiful Farisin, Mohd Rusydi Ahmad, Yew Wong Chin, and Muhamad Helmy Sabtu. 2022. “Threat Calls, Terrorism Challenges and Security Issues Towards Malaysia”. Journal of Techno-Social 13 (2): 69-76. https://publisher.uthm.edu.my/ojs/index.php/JTS/article/view/9441.