Nur Izzatul Aliss Ab Rashid, et al. “Ticket Purchase System Using RFID and Bus Location Tracking System With GPS Tracker”. Multidisciplinary Applied Research and Innovation, vol. 4, no. 3, May 2023, pp. 114-23, https://penerbit.uthm.edu.my/periodicals/index.php/mari/article/view/8106.