HANUSIK, Krystyna, and Urszula ŁANGOWSKA-SZCZĘŚNIAK. “THE STANDARD OF LIVING OF THE SILESIAN POPULATION DURING THE PERIOD OF TRANSFORMATION IN POLAND”. Economic and Environmental Studies 5 (January 21, 2021): 23–34. Accessed November 22, 2024. https://czasopisma.uni.opole.pl/index.php/ees/article/view/3446.