Nugraha, R., B. Gastomo, and A. Kurniawan. “Perancangan Sistem Keamanan Ruang Senjata AAU Menggunakan Sensor PIR Berbasis Mikrokontroler Arduino Mega 2560”. Akademi Angkatan Udara Journal of Defense Science and Technology : AAU-JDST, Vol. 5, no. 1, Dec. 2020, pp. 77-88, https://aau.e-journal.id/jdst/article/view/12.