Pattar, Deepa. “Design of Zero Index Metamaterial Lens for Gain Enhancement of the Antenna Array”. Asian Journal For Convergence In Technology (AJCT) ISSN -2350-1146 6, no. 3 (December 15, 2020): 22-26. Accessed January 31, 2026. http://asianssr.org/index.php/ajct/article/view/968.