Hidden Economy, Scientific Approaches to the Reasons for its Origin. American Journal of Public Diplomacy and International Studies (2993-2157), [S. l.], v. 2, n. 7, p. 186–190, 2024. Disponível em: https://grnjournal.us/index.php/AJPDIS/article/view/5587. Acesso em: 23 jan. 2026.