Luna Altamirano, Kléber Antonio, William Henry Sarmiento Espinoza, and Diego Patricio Cisneros Quintanilla. 2022. “Fuzzy System in the Preparation of a Zero-Based Budget in SMEs in the City of Cuenca-Ecuador”. Revista Iberoamericana De educación, January. https://revista-iberoamericana.org/index.php/es/article/view/204.