Comparison Between Three Radiation Pattern Using Butler Matrix For Beamforming Network. Jurnal Teknologi, [S. l.], v. 54, n. 1, p. 25–43, 2012. DOI: 10.11113/jt.v54.89. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/89.. Acesso em: 23 jul. 2024.