Mutalib, M. A., Z. Zakaria, N. Shairi, and M. Isa. “Microstrip Bandpass Filter With Reconfigurable Notch Response at 5.2 GHz Using Defected Microstrip Structure”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 8, no. 5, Aug. 2016, pp. 75-79, https://jtec.utem.edu.my/jtec/article/view/802.