Miguel Francisco Galarza Villalba, et al. “Analysis of an Strategic Plan to Increase the Sales Level of the Company ‘TIENS’ of Babahoyo Using Neutrosophic Methods”. Neutrosophic Sets and Systems, vol. 34, Aug. 2020, pp. 183-92, https://fs.unm.edu/nss8/index.php/111/article/view/3980.