Grata, PaweÅ‚. “Central Industrial District As an Attempt to Implement the Principles of Sustainable Development in the Inter-War Period Poland”. European Journal of Sustainable Development 8, no. 5 (October 1, 2019): 137. Accessed December 13, 2024. https://ecsdev.org/ojs/index.php/ejsd/article/view/927.