Al-Areqi, N. N., N. Seman, and T. A. Rahman. 2017. “Design of Microstrip Parallel-Coupled Line Band Pass Filters for the Application in Fifth Generation Wireless Communication”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 9 (2-7):19-23. https://jtec.utem.edu.my/jtec/article/view/2586.