Lilia Esther Valencia Cruzaty, Mariela Reyes Tomalá, and Carlos Manuel Castillo Gallo. 2020. “A Neutrosophic Statistic Method to Predict Tax Time Series in Ecuador”. Neutrosophic Sets and Systems 34 (August): 33-39. https://fs.unm.edu/nss8/index.php/111/article/view/3961.