Frequency-Reconfigurable E-Shaped Microstrip Patch Antenna with P-i-N Diode. International Journal of Current Engineering and Technology, [S. l.], v. 6, n. 3, p. 908–910, 2016. DOI: 10.14741/. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/2894. Acesso em: 26 apr. 2026.