Dengkeng, A., A. Halid, G. Pratiwi, A. I. Rachman, S. B, and L. fanani MZ. “Cyber Security Challenges and Solutions in Critical Infrastructure: A Systematic Review of Threat Spectrum, Systemic Vulnerabilities, and Multi-Level Protection Strategies”. Journal La Multiapp, Vol. 6, no. 5, Sept. 2025, pp. 1183-9, https://newinera.com/index.php/JournalLaMultiapp/article/view/5827.