Biernat-Jarka, Agnieszka, and Paulina Tuka. “FOOD SELF-SUPPLY AND INCOME OF RURAL HOUSEHOLDS”. Acta Scientiarum Polonorum. Oeconomia 14, no. 3 (September 30, 2015): 5–14. Accessed November 22, 2024. https://aspe.sggw.edu.pl/article/view/425.