Herbst, Mikołaj. “Forecast of GDP Per Capita Growth in Polish Regions 2006-2015”. Regional Barometer. Analyses & Prognoses, no. 3 (13) (October 10, 2008): 37–44. Accessed November 8, 2024. https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/1469.