L. A. Puchaicela Quezada, G. J. Manchay Reyes, and P. L. Cabrera Rivera, “Incidence of tax collection in the Ecuadorian General State Budget, period 2013-2023”, RTE, vol. 37, no. 2, pp. 224–242, Dec. 2025, doi: 10.37815/rte.v37n2.1333.