Bedrunka, K. 2012. Effective Implementation of the Cohesion Policy: Programming Experiences in Previous Periods of Opolskie Voivodship and a New Vision for Cohesion Policy after 2013. Regional Barometer. Analyses & Prognoses. 4 (26) (Jan. 2012), 7–14. DOI:https://doi.org/10.56583/br.1299.