Riaz , M. ., K. . Naeem, I. . Zareef, and D. . Afzal. “Neutrosophic N-Soft Sets With TOPSIS Method for Multiple Attribute Decision Making”. Neutrosophic Sets and Systems, vol. 32, Mar. 2020, pp. 146-70, http://fs.unm.edu/NSS2/index.php/111/article/view/321.