Nizioł, Aleksandra. “Diversity of Socio-Economic Development of Counties in Lubelskie Voivodship”. Regional Barometer. Analyses & Prognoses, no. 3 (13) (October 10, 2008): 77–84. Accessed November 8, 2024. https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/1473.