Kisiel, Roman, Małgorzata Kamińska, and Wiesława Lizińska. “Value and Structure of Public Aid in Poland Against the European Union Background During the Years 2007-2012”. Olsztyn Economic Journal 9, no. 1 (March 31, 2014): 17–29. Accessed May 18, 2024. https://czasopisma.uwm.edu.pl/index.php/oej/article/view/3162.