Nuraeni, Aisyah, et al. “Revisiting Cyber Threats in Government Sectors: A Systematic Review of Attacks, Challenges, and Policy-Level Defenses”. International Journal of Advances in Data and Information Systems, vol. 6, no. 2, Aug. 2025, pp. 447-59, https://doi.org/10.59395/ijadis.v6i2.1404.