A Rectangular Microstrip Antenna Loaded with Log-Periodic Stubs for Tri-bands Operation. Global Journals of Research in Engineering, [S. l.], v. 15, n. F6, p. 1–8, 2015. Disponível em: https://testing.engineeringresearch.org/index.php/GJRE/article/view/1305. Acesso em: 6 jun. 2026.