Santos, Santos, and Manny Macabeo. “Counterinsurgency Operations in the Second District of Sorsogon: Basis for Sustainable Development”. JPAIR Multidisciplinary Research 55, no. 1 (January 29, 2024): 1–21. Accessed February 3, 2026. https://philair.org/index.php/jpair/article/view/406.