Sánchez, J, et al. “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, vol. 5, no. 2, Jan. 2020, pp. 149–163, doi:10.18502/keg.v5i2.6231.