DISTINCTION BETWEEN NULLITY AND INVALIDITY OF ADMINISTRATIVE ACTS: A COMPARATIVE LEGAL ANALYSIS AND DIRECTIONS FOR LEGISLATIVE IMPROVEMENT. World Conference on Social Sciences, Law and Public Policy, [S. l.], v. 1, n. 2, p. 105–107, 2026. Disponível em: https://econferencia.com/index.php/9/article/view/239. Acesso em: 21 may. 2026.