I. N. Taban, A. H. Khidhir, and A. A. Naser, “Design and Simulation of Planar Inverted F Antenna (PIFA) for Long Term Evolution Systems”, Al-Nahrain J. Sci., vol. 25, no. 4, pp. 43–48, Dec. 2022, Accessed: May 22, 2026. [Online]. Available: https://anjs.edu.iq/index.php/anjs/article/view/2495