ROSZKO-WÓJTOWICZ, E. and GRZELAK, M.M. 2020. Analysis of procurement of selected agricultural products in Poland in the years 2010-2016. Economic and Environmental Studies. 18, 3 (47) (Nov. 2020), 1153–1171. DOI:https://doi.org/10.25167/ees.2018.47.7.