Ong, Yee Lin, and Noryusliza Abdullah. “Design and Development of Ferry E-Ticketing System With QR Code Based on IoT Technology”. Applied Information Technology And Computer Science 4, no. 1 (July 20, 2023): 308–326. Accessed April 8, 2026. https://penerbit.uthm.edu.my/periodicals/index.php/aitcs/article/view/7671.