Nagmy, H., Rovny, P., & Zuravlovs, A. (2012). Assessment of the Slovak and Latvian Agriculture from the Point of Plant Production. Zeszyty Naukowe SGGW, Polityki Europejskie, Finanse I Marketing, (7(56), 109–119. Pobrano z https://pefim.sggw.edu.pl/article/view/1474