NG, C.; DEVI, K.; CHAKRABARTY, C.; MD. DIN, N.; KWONG, C. Gain Enhancement of Microstrip Patch Antenna using Low Loss Negative Refractive Index Metamaterial Superstrate. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), [S. l.], v. 9, n. 1-4, p. 95–99, 2017. Disponível em: https://jtec.utem.edu.my/jtec/article/view/1787. Acesso em: 22 dec. 2024.