Mahdzar, Mazlina, Muhammad Zahid Mohd Ridzuan, Farah Hanani Mohd Isa, Nur Hidayat Nazrul Fitri, Nur Izzyanie Najihah Zahilan, and Wonyeop Kim. “Telecommunication: Travel Portable Data (TPD)”. Multidisciplinary Applied Research and Innovation 2, no. 3 (December 8, 2021): 150–153. Accessed July 18, 2024. https://publisher.uthm.edu.my/periodicals/index.php/mari/article/view/5085.