Rząsa, Krzysztof, and Mateusz Ciski. “The Course of the COVID-19 Pandemic in Poland in Relation to the Level of Sustainable Development – Multiscale Geographically Weighted Regression Analysis”. Acta Scientiarum Polonorum Administratio Locorum 23, no. 4 (December 23, 2024): 417–436. Accessed December 14, 2025. https://czasopisma.uwm.edu.pl/index.php/aspal/article/view/10717.