Thamrongmas, Amnart, and Chalie Charoenlarpnopparut. “Modified Pole Re-position Technique for Optimal IIR Multiple Notch Filter Design”. ECTI Transactions on Electrical Engineering, Electronics, and Communications 9, no. 1 (August 1, 2009): 7–15. accessed September 18, 2026. https://ph02.tci-thaijo.org/index.php/ECTI-EEC/article/view/172250.