PROBLEMS AND SOLUTIONS FOR MODERNIZING THE TAX SYSTEM IN THE CONTEXT OF THE DIGITAL ECONOMY. International Journal of Political Sciences and Economics, [S. l.], v. 5, n. 4, p. 82–88, 2026. DOI: 10.55640/. Disponível em: https://ijmri.de/index.php/ijpse/article/view/6940. Acesso em: 6 apr. 2026.