Czyżewski, A. and Staniszewski, J. 2015. THE PRICE CONDITIONS AND CHANGES OF THE STRUCTURE OF PRODUCTION FACTORS IN POLISH AGRICULTURE IN YEARS 1999-2013. Annals of Agricultural Economics and Rural Development. 102, 4 (Dec. 2015), 7–17. DOI:https://doi.org/10.22630/RNR.2015.102.4.32.