Elhassouny, Azeddine, and Florentin Smarandache. “Neutrosophic Modifications of Simplified TOPSIS for Imperfect Information (nS-TOPSIS)”. Neutrosophic Sets and Systems, vol. 24, Mar. 2019, pp. 100-13, https://fs.unm.edu/nss8/index.php/111/article/view/638.