Farahbakhsh, A. ., G. . Moradi, and S. . Mohanna. “Reduction of Mutual Coupling in Microstrip Array Antenna Using Polygonal Defected Ground Structure”. Applied Computational Electromagnetics Society Journal (ACES), vol. 26, no. 4, May 2022, pp. 334-9, https://journals.riverpublishers.com/index.php/ACES/article/view/15325.