Design Of Frequency Reconfigurable Microstrip Antenna. National Journal of Antennas and Propagation, [S. l.], v. 3, n. 1, p. 16–21, 2021. DOI: 10.31838/NJAP/03.01.04. Disponível em: https://antennajournal.com/index.php/antenna/article/view/33.. Acesso em: 22 dec. 2024.