Nordin, M.S. Amin, N. H. Abd Rahman, M. T. Ali, N. I. Zaidi, and M. R. Ahmad. 2020. “Analysis on Wearable Antenna Performance on Different Radiating Elements for GPS Application”. International Journal of Integrated Engineering 12 (6): 40-48. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/6285.