Rafif Alhabib, and A. A.Salama. “The Neutrosophic Time Series-Study Its Models (Linear-Logarithmic) and Test the Coefficients Significance of Its Linear Model”. Neutrosophic Sets and Systems, vol. 33, May 2020, pp. 105-1, https://fs.unm.edu/nss8/index.php/111/article/view/187.