Pięta, Paweł. “FARMERS’ PENSIONS AS AN INSTRUMENT OF AGRARIAN STRUCTURE CHANGES IN POLAND”. Acta Scientiarum Polonorum. Oeconomia 6, no. 4 (December 30, 2007): 39–47. Accessed February 2, 2026. https://aspe.sggw.edu.pl/article/view/863.