Biernat-Jarka, Agnieszka, and Natalia Wyszyńska. “SOURCES OF FINANCING THE PROTECTION OF THE ENVIRONMENT IN POLAND – CASE STUDY OF MAZOWSZE DISTRICT”. Acta Scientiarum Polonorum. Oeconomia 6, no. 4 (December 30, 2007): 5-12. Accessed December 23, 2024. https://js.wne.sggw.pl/index.php/aspe/article/view/3745.