ABDUL KHALID, M. F.; ISMAIL KHAN, Z.; AWANG, Z.; PASYA, I.; AB WAHAB, N.; M. YASSIN, I. Dual-Band Bandpass Filter with Dumbbell Shaped Defective Ground Structure. International Journal on Advanced Science, Engineering and Information Technology, [S. l.], v. 7, n. 2, p. 695–701, 2017. DOI: 10.18517/ijaseit.7.2.1342. Disponível em: https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/1342. Acesso em: 22 jul. 2024.