Duy, Trần Hữu, Nguyễn Đức Hòa, Nguyễn Đăng Chiến, Nguyễn Văn Kiên, and Wang Hung Yu. 2016. “UNIVERSAL VOLTAGE-MODE BIQUADRATIC FILTER SYNTHESIS USING NODAL ADMITTANCE MATRIX EXPANSION”. Dalat University Journal of Science 6 (3): 293-315. https://doi.org/10.37569/DalatUniversity.6.3.74(2016).