E. Khalid H, Smarandache F, K. Essa A. A Neutrosophic Binomial Factorial Theorem with their Refrains. Neutrosophic Sets Syst. [Internet]. 2016 Dec. 15 [cited 2024 Nov. 22];14:7-11. Available from: https://fs.unm.edu/nss8/index.php/111/article/view/556