Venishetty, S. R. and Chidra , A. K. (2021) “Design of power efficient, high-speed 4-bit comparator in UMC 180 nm technology”, Engineering and Applied Science Research, 48(1), pp. 40–47. available at: https://ph01.tci-thaijo.org/index.php/easr/article/view/240261 (accessed: 19 September 2026).