A. Rakhmadi, H. Wintolo, E. Putri Silmina, D. Soyusiawaty, Sunardi, and A. Fadlil, “Empowering Teachers in Muhammadiyah Boarding School Yogyakarta toward Safer Digital Behavior through Smartphone Security Education”, JURPIKAT, vol. 6, no. 4, pp. 2742-2762, Nov. 2025.