COMPACT SIZE OF RECTANGULAR MICROSTRIP PATCH ANTENNA USING LEFT HANDED META MATERIAL. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 5, n. 1, p. 157–162, 2018. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/2023. Acesso em: 8 sep. 2025.