Madad Khan, Saima Anis, Sohail Iqbal, Fatima Shams, and Seok-Zun Song. 2022. “Norms and Delta-Equalities of Complex Neutrosophic Sets”. Neutrosophic Sets and Systems 48 (February): 457-82. https://fs.unm.edu/nss8/index.php/111/article/view/4167.