Chakraborty A, Banik B, Mondal SP, Alam S. Arithmetic and Geometric Operators of Pentagonal Neutrosophic Number and its Application in Mobile Communication Service Based MCGDM Problem. Neutrosophic Sets Syst. 2020;32:61-79. Accessed July 27, 2025. https://fs.unm.edu/nss8/index.php/111/article/view/309