@misc{_Problems, howpublished={online}, publisher={Committee of Agricultural Economics and Rural Development of the Polish Academy of Sciences}, publisher={Institute of Agricultural and Food Economics - National Research Institute}, publisher={Section of Agricultural Economics of the Polish Economic Society}, publisher={Ministry of Science and Higher Education}, language={eng}, title={Problems of Agricultural Economics : unit of the Committee of Agricultural Economics and Rural Development of the Polish Academy of Sciences [...]. 2015, 3}, type={e-czasopismo}, keywords={aspekt ekonomiczny, rolnictwo}, }