Czubak, W., and E. Kiryluk-Dryjska. “REGIONAL DIFFERENTIATION IN APPLYING FOR FINANCIAL SUPPORT FROM EU STRUCTURAL FUNDS FOR THE DEVELOPMENT OF AGRICULTURE IN POLAND IN 2004–2006”. Acta Scientiarum Polonorum. Oeconomia, Vol. 8, no. 3, Sept. 2009, pp. 13-24, https://aspe.sggw.pl//article/view/3836.