MUBARAK SANI ELLIS. A Circularly Polarized Planar Monopole Antenna with Wide AR Bandwidth using a Novel Radiator/Ground Structure. Global Journals of Research in Engineering, [S. l.], v. 17, n. F3, p. 15–20, 2017. Disponível em: https://engineeringresearch.org/index.php/GJRE/article/view/1586. Acesso em: 1 may. 2024.