VARIABLE RADIATION PATTERN FROM CO-AXIAL PROBE FED RECTANGULAR PATCH ANTENNA USING METAMATERIALS. International Journal of Food and Nutritional Sciences, [S. l.], v. 8, n. 2, p. 1119–1128, 2019. Disponível em: https://ijfans.org/index.php/Journal/article/view/848. Acesso em: 9 sep. 2026.