NIZIOŁ, Krystyna. The fulfillment by Poland of convergence criteria with regard to public debt and public deficit (selected legal and economic aspects). Ekonomia i Prawo. Economics and Law. Online. 31 December 2009. Vol. 5, no. 1, pp. 207-222. [Accessed 16 July 2024]. DOI 10.12775/EiP.2009.014.