Parlińska, Agnieszka, and Urszula Tetwejer. “The Changes of Purposes and results’ Measures in Individual Tasks Within Environment Function”. The Scientific Journal European Policies, Finance and Marketing, no. 6(55) (December 30, 2011): 67–79. Accessed November 14, 2026. https://pefim.sggw.edu.pl/article/view/1491.