Wawrzyniak, Bogdan, and Bolesław Wojtasik. “ANALYSIS OF AGRI-ENVIRONMENTAL PROGRAMS’ REALIZATION SINCE 2004 TO 2006”. Acta Scientiarum Polonorum. Oeconomia 6, no. 1 (March 30, 2007): 71–78. Accessed May 8, 2024. https://aspe.sggw.edu.pl/article/view/907.