Ab Wahab, N., M. Hidayat, N., Ismail Khan, Z., Mat Yasin, Z., Salim, N. A., Othman, N., & M. Salleh, M. K. (2016). Two Parallel-coupled Rings for Narrow Bandpass Filter Application. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), 8(3), 73–77. Retrieved from https://jtec.utem.edu.my/jtec/article/view/1005