Palanikumar, M., and K. Arulmozhi. “MCGDM Based on TOPSIS and VIKOR Using Pythagorean Neutrosophic Soft With Aggregation Operators”. Neutrosophic Sets and Systems, vol. 51, Aug. 2022, pp. 538-55, https://fs.unm.edu/nss8/index.php/111/article/view/2584.