Sutan Hirmansyah Siregar, Rolly Yesputra, Sahren S. AUTOMATIC SECURITY SYSTEM IN BHAYANGKARA INDAH OFFICE FROM THEFT, GAS LEAKAGE, AND FIRE AND FLOOD BASED ON ARDUINO NANO. J. Tek. Inform. (JUTIF) [Internet]. 2022 Jun. 29 [cited 2025 Apr. 26];3(3):689-95. Available from: https://jutif.if.unsoed.ac.id/index.php/jurnal/article/view/261