Sarah Tji Yan ChanChien Fat ChauAzrul bin Ghazali2024-12-302024-12-302013-0910.1109/CircuitsAndSystems.2013.6671634https://dspace-cris.utar.edu.my/handle/123456789/8805Design of a 4-bit ripple adder using Quantum-dot Cellular Automata (QCA)proceedings-article