“Basic Methodology for the Analysis of Charges in the Area of ​​production in Small Companies in Ecuador”. Un Espacio para la Ciencia 4, no. 1 (January 29, 2022): 114–124. Accessed July 1, 2026. https://www.revistas-manglareditores.org/index.php/espacio-para-la-ciencia/article/view/38.