Ashish Kumar, and Amar Partap Singh. “Design and Optimization of Slotted Micro-Machined Patch Antenna Using Composite Substrate”. The Applied Computational Electromagnetics Society Journal (ACES), vol. 34, no. 01, July 2021, pp. 128-34, https://journals.riverpublishers.com/index.php/ACES/article/view/8757.