H. S. Hussain, “Design and Analysis of Rectangular Microstrip Patch Antenna Operating at TM03 mode with Single and Stacked Structure for Bandwidth Enhancement”, NUCEJ, vol. 19, no. 2, pp. 385–394, Jan. 2017, Accessed: Jun. 08, 2025. [Online]. Available: https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/31