JÁCOME-SANDOVAL, W. Tributos en el Ecuador. Economía y Negocios, [S. l.], v. 6, n. 2, p. 69–75, 2015. DOI: 10.29019/eyn.v6i2.306. Disponível em: https://server2.ute.edu.ec/index.php/economia-y-negocios/article/view/306. Acesso em: 9 ago. 2022.