SAAD A. AL KAZZAZ, D.; H. HAMID, K. Design and Implementation of Doherty Power Amplifier of Global System Mobile (GSM) of Base station. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 20, n. 6, p. 29–39, 2012. DOI: 10.33899/rengj.2012.63385. Disponível em: https://jamh.uomosul.edu.iq/index.php/arej/article/view/30459. Acesso em: 8 sep. 2025.