Strojny, Jacek. “SMALL FARMS IN THE AREA STRUCTURE OF AGRICULTURAL HOLDINGS OF THE EUROPEAN UNION COUNTRIES”. Acta Scientiarum Polonorum. Oeconomia 19, no. 1 (March 12, 2020): 61–70. Accessed May 4, 2024. https://aspe.sggw.edu.pl/article/view/170.