Bedra, S. ., and T. . Fortaki. “Resonant and Radiation Characteristics of Rectangular Microstrip Patch Antenna on Suspended-Composite Substrates”. Applied Computational Electromagnetics Society Journal (ACES), vol. 31, no. 02, Aug. 2021, pp. 138-43, https://journals.riverpublishers.com/index.php/ACES/article/view/10229.