Salas Durazo, Ivan Alejandro, and Lucio Flores Payan. “Fuzzy Sets Applied to Create Multidimensional Indexes. An Approach to Measure the Quality of Employment”. Acta Universitaria 27, no. 2 (May 20, 2017): 65–82. Accessed May 1, 2026. https://www.actauniversitaria.ugto.mx/index.php/acta/article/view/1183.