Dwi Setiawan, Indra Ava Dianta, and Dendy Kurniawan. “SISTEM KEAMANAN RUANGAN LABORATORIUM KOMPUTER MENGGUNAKAN SENSOR PIR, MQ-7, SW420 DAN RFID BERBASIS SMS”. Jurnal Informatika Dan Tekonologi Komputer (JITEK) 1, no. 3 (November 21, 2021): 47–56. Accessed February 2, 2026. https://researchhub.id/index.php/jitek/article/view/127.