Irfan, Andi.Muh. Kautsar Jeddawi. Bn, Andi Athaya Endra Zaki, and Ahmad Gaffar. “Design and Development of an IoT-Based Escalator Control System Using WhatsApp As a Learning Medium at Makassar Aviation Polytechnic”. Indonesian Journal of Multidisciplinary Scientific Studies 3, no. 4 (July 23, 2025): 340-354. Accessed April 17, 2026. https://ojs.staira.ac.id/index.php/IJOMSS/article/view/657.