Mutalib MA, Zakaria Z, Shairi NA. High Selectivity Microstrip Bandpass Filter Integrate with Ring Resonator Bandstop Filter. JTEC [Internet]. 2017Sep.27 [cited 2024Dec.21];9(2-13):39-42. Available from: https://jtec.utem.edu.my/jtec/article/view/2563