H. R. VANI; M. A. GOUTHAM; PARAMESHA. Gain Enhancement of Microstrip Patch Antenna Using Metamaterial Superstrate. Applied Computational Electromagnetics Society Journal (ACES), [S. l.], v. 34, n. 05, p. 823–826, 2019. Disponível em: https://journals.riverpublishers.com/index.php/ACES/article/view/8511. Acesso em: 2 may. 2026.