Al-Fatlawi AH, Kashef S, Mezaal YS, Valizadeh M. New microstrip bandpass filter design with sharp roll-off based on rectangular split resonators. Sustainable Engineering and Innovation [Internet]. 2025Apr.30 [cited 2026Apr.11];7(1):147-58. Available from: https://sei.ardascience.com/index.php/journal/article/view/472