Rancang Bangun Prototype Alat Pendeteksi Kebakaran Berbasis Sensor Gas (MQ-2): Design and Construction of a Prototype of a Sensor-Based Fire Detection Device (MQ-2). JISTECH. 2025;14(2):68-75. Accessed November 12, 2026. http://jistech.unipa.ac.id/index.php/istech/article/view/994