Design and experimental validation of a hexagonal split-ring resonator sensor formicrowave dielectric characterization of liquids. Indian Journal of Engineering and Materials Sciences (IJEMS), [S. l.], v. 33, n. 02, p. 160–168, 2026. DOI: 10.56042/ijems.v33i02.29497. Disponível em: https://or.niscpr.res.in/index.php/IJEMS/article/view/29497. Acesso em: 14 aug. 2026.