POLYAK-SVERGUN, Mariana. ASSESSMENT OF FISCAL EFFICIENCY OF THE TAX PAYMENT ADMINISTRATION SYSTEM IN UKRAINE. Social Development: Economic and Legal Issues, [S. l.], n. 1, p. 27–35, 2025. DOI: 10.70651/3083-6018/2025.1.04. Disponível em: https://www.eu-scientists.com/index.php/sdel/article/view/40. Acesso em: 30 jun. 2026.