AVINASH, K.; RAO, I. S. Highly Selective Dual-Mode Microstrip Bandpass Filters Using Triangular Patch Resonators. Advanced Electromagnetics, [S. l.], v. 6, n. 1, p. 77–84, 2017. DOI: 10.7716/aem.v6i1.469. Disponível em: https://aemjournal.org/index.php/AEM/article/view/469. Acesso em: 14 dec. 2025.