Boryczka, Ewa M., Justyna Michalak, and Piotr Rzeńca. “Protection of Valuable Areas of Local Cultural Heritage in Sustainable Development. Cultural Parks in the Lodz Region”. Economics and Environment 68, no. 1 (January 1, 2019): 16. Accessed April 26, 2024. https://ekonomiaisrodowisko.pl/journal/article/view/112.