Dr. CN. Sujatha, Ms. Nausheen Sultana, D. Anusha, B. Sushmitha, G. Sravani. “Gain Enhancement of a Microstrip Patch Antenna Using I-Shaped Defective Ground Structure”. International Journal of Advanced Science and Technology 29, no. 11s (June 1, 2020): 558 - 565. Accessed May 3, 2024. http://sersc.org/journals/index.php/IJAST/article/view/20015.