Wolter, Edyta. “Protecting Environment by Education on the Foundation of the Value of Life”. Kwartalnik Naukowy Fides et Ratio 33, no. 1 (March 30, 2018): 132–146. Accessed March 9, 2026. https://fidesetratio.com.pl/ojs/index.php/FetR/article/view/591.