MANSOUR, G.; ELMAHDI, M.; NUGOOLCHAROENLAP, E. Spiral Microstrip Bandpass Filters. International Journal of Engineering Research, [S. l.], v. 3, n. 1, p. 68–76, 2024. Disponível em: https://journal.su.edu.ly/index.php/ijer/article/view/2693. Acesso em: 17 may. 2024.