Sánchez, J, F Esparza, I Gaibor, and M Barba. “La evasión Tributaria Originada En El Uso De Comprobantes De venta/Evaluation of Micro and Small Enterprises of the Popular and Solidarity Economy Prior to Participating in a Business Round”. KnE Engineering 5, no. 2 (January 26, 2020): 149–163. Accessed April 20, 2024. https://knepublishing.com/index.php/KnE-Engineering/article/view/6231.