M. Pooja, S. Gayathri Priya, J. Jagan Babu. “Performance Analysis of D-Flipflop and 4*1 Mux Employing Improved SVL Technique”. International Journal of Control and Automation, Vol. 13, no. 4, Sept. 2020, pp. 1252-61, http://sersc.org/journals/index.php/IJCA/article/view/32244.