A novel Slotted Rectangular Microstrip patch antenna based on Zero-index metamaterial multilayer Superstrate. Int. J. Multidiscip. Curr. Res. [Internet]. 2016 Sep. 30 [cited 2026 Aug. 27];4(5):916-20. Available from: https://ijmcr.com/index.php/ijmcr/article/view/04.05.15