Dual-band Via-less Band-pass Filter Based on Cascaded Closed Ring Resonator. Jurnal Elektronika dan Telekomunikasi, [S. l.], v. 23, n. 1, p. 9–15, 2023. DOI: 10.55981/jet.537. Disponível em: https://jurnalet.brin.go.id/jet/article/view/537. Acesso em: 9 jun. 2026.