Mierzejewska, Lidia, and Alexander Tölle. “Towards Sustainable Spatial Development in Small and Medium-Sized Cities. Planning Aspirations and Realities”. Economic and Environmental Studies 18, no. 1 (45) (November 20, 2020): 291–311. Accessed November 22, 2024. https://czasopisma.uni.opole.pl/index.php/ees/article/view/2614.