Khan, Madad, Saima Anis, Sohail Iqbal, and Seok-Zun Song. 2022. “Norms and Delta-Equalities of Complex Neutrosophic Sets”. Neutrosophic Sets and Systems 48 (February):457-82. http://fs.unm.edu/NSS2/index.php/111/article/view/2116.