Bielski, Stanisław. “ECONOMIC AND LEGAL ASPECTS OF BIOFUEL PRODUCTION FOR OWN USE”. Acta Scientiarum Polonorum. Oeconomia 11, no. 3 (September 30, 2012): 5-15. Accessed December 22, 2024. https://js.wne.sggw.pl/index.php/aspe/article/view/4055.