Fahriza, M. I., R. . Munadi, and H. M. . Jumhur. “Development of GRE IPSec for Enhancing Private Network Scalability: Performance, Cost, and Regulatory Framework”. Eduvest - Journal of Universal Studies, vol. 6, no. 1, Jan. 2026, pp. 124-13, doi:10.59188/eduvest.v6i1.52073.