Espinoza Lastra, O.R. (2021) “Neutrosophic Multicriteria Methods and PESTEL Analysis for the Evaluation of Informal Trade Impact”, Neutrosophic Sets and Systems, 44, pp. 367–377. Available at: https://fs.unm.edu/nss8/index.php/111/article/view/2713 (Accessed: 17 December 2025).