POPOVA, Nelly. The Reform of the European Union System of Own Resources – Challenges and Prospects. Finance, Accounting and Business Analysis (FABA), [S. l.], v. 4, n. 1, p. 34–42, 2022. Disponível em: http://faba.bg/index.php/faba/article/view/115. Acesso em: 3 oct. 2026.