Bedrunka, Karina. “Complementarity in the Regional Operational Programme of Opolskie Voivodship 2007-2013 As a Tool to Enhance the Effectiveness”. Regional Barometer. Analyses & Prognoses, no. 2 (28) (September 28, 2012): 7–15. Accessed November 22, 2024. https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/1232.