KOCIUBA, Dagmara and WAJS, Klaudia. Impact of the implementation of EU, national and local policies and legislation on the transition towards eco-cities in Poland. Bulletin of Geography. Socio-economic Series. Online. 29 September 2021. No. 53, pp. 105-130. [Accessed 27 April 2025]. DOI 10.2478/bog-2021-0026.