P, Gowthami, and R V. S. Satyanarayana. “An Improved Design of Reversible Adder Subtractor”. International Journal of Engineering and Technology 7, no. 2.12 (April 3, 2018): 182–183. Accessed April 28, 2025. https://sciencepubco.com/index.php/IJET/article/view/11275.