Notonegoro, Hamdan Akbar, Muhammad Azis Sofyan, Benridho Rizkynawan, Bambang Soegijono, Jan Setiawan, Sovian Aritonang, Andri Suherman, and Nora’aini Ali. “Layer Influence on Organosilica Composites Strength to Withstand the Impact of 9mm Caliber Bullets”. Jurnal Sains Materi Indonesia 27, no. 1 (August 31, 2025): 54–59. Accessed January 31, 2026. https://ejournal.brin.go.id/jsmi/article/view/10243.