A simple-geometry hybrid branchline microstrip coupler for wireless communication systems. Periodicals of Engineering and Natural Sciences, [S. l.], v. 14, n. 2, p. 15–24, 2026. DOI: 10.21533/pen.v14.i2.414. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/414. Acesso em: 18 apr. 2026.