LEÓN-VEGA, L.; RON-AMORES, E.; VERGARA-ROMERO, A. The challenges of taxation in the digital economy: analysis of the Ecuadorian tax system. Amazonia Investiga, [S. l.], v. 12, n. 61, p. 262–275, 2023. DOI: 10.34069/AI/2023.61.01.27. Disponível em: https://amazoniainvestiga.info/index.php/amazonia/article/view/2261. Acesso em: 3 jul. 2024.