Zieliński, Mariusz. “Changes of Voivodships Competitiveness in Poland from the Perspective of the Labor Market”. Regional Barometer. Analyses & Prognoses 14, no. 4 (February 16, 2017): 81–87. Accessed July 3, 2024. https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/467.