Skawińska, Eulalia, and Romuald Zalewski. “Impact of Coronavirus Covid-19 on the Food System”. Acta Scientiarum Polonorum. Oeconomia 19, no. 4 (December 30, 2020): 121–129. Accessed November 24, 2024. https://aspe.sggw.edu.pl/article/view/84.