MADHAV, B. T. P.; DEVI, G. Jyothsna; LAKSHMAN, Papula; ANILKUMAR, T. A CPW-fed Sigma-shaped MIMO Antenna for Ka Band and 5G Communication Applications. Journal of Telecommunications and Information Technology, [S. l.], v. 74, n. 4, p. 97–106, 2018. DOI: 10.26636/jtit.2018.123717. Disponível em: https://jtit.pl/jtit/article/view/639. Acesso em: 17 apr. 2026.