Wisetphanichkij, Sompong, Krit Angkeaw, and Napat Sra-ium. “Minimal Realization Plus Current Output CC-based Biquad Circuit”. ECTI Transactions on Electrical Engineering, Electronics, and Communications 22, no. 2 (June 27, 2024). accessed April 5, 2025. https://ph02.tci-thaijo.org/index.php/ECTI-EEC/article/view/251143.