Gustavia, Riva, and Eddy Nurraharjo. “RANCANG BANGUN SISTEM MULTIPLE WARNING DETEKSI ASAP ROKOK MENGGUNAKAN SENSOR MQ-135 BERBASIS ARDUINO”. SINTAK 2 (November 14, 2018). Accessed April 19, 2024. https://www.unisbank.ac.id/ojs/index.php/sintak/article/view/6602.