Sustainable dielectric substrate for microstrip patch antennas: A comparative analysis. Indian Journal of Engineering and Materials Sciences (IJEMS), [S. l.], v. 32, n. 05, p. 625–633, 2026. DOI: 10.56042/ijems.v32i05.20661. Disponível em: https://or.niscpr.res.in/index.php/IJEMS/article/view/20661. Acesso em: 13 may. 2026.