Biernat-Jarka A, Wyszyńska N. SOURCES OF FINANCING THE PROTECTION OF THE ENVIRONMENT IN POLAND – CASE STUDY OF MAZOWSZE DISTRICT. aspe [Internet]. 2007Dec.30 [cited 2024Jul.3];6(4):5-12. Available from: https://js.wne.sggw.pl/index.php/aspe/article/view/3745