ALSAIF, H. Compact Hexagonal Monopole Antenna for Lower 5G Bands. Engineering, Technology & Applied Science Research, Greece, v. 9, n. 3, p. 4200–4202, 2019. DOI: 10.48084/etasr.2714. Disponível em: https://etasr.com/index.php/ETASR/article/view/2714. Acesso em: 29 sep. 2022.