ZAMIR, B.; ZEESHAN NASEER; BABAR SHAHZAD. Electromagnetic wave propagation in a rectangular waveguide filled with a double-negative (DNG) metamaterial. Research Prospects in Natural Sciences (RPNS), [S. l.], v. 1, n. 2, p. 9–13, 2023. Disponível em: https://journals.gctownship.edu.pk/index.php/rpns/article/view/98. Acesso em: 22 jul. 2026.