Wojtasik, B. “AGRICULTURAL ACTIVITY SUPPORT IN THE UNFAVOURABLE CONDITION AREA WITHIN THE RURAL AREAS DEVELOPMENT PROGRAMM IN 2004–2006”. Acta Scientiarum Polonorum. Oeconomia, vol. 7, no. 2, June 2008, pp. 103-1, https://aspe.sggw.edu.pl/article/view/844.