Braja, Mirosława, and Janina Sawicka. 2017. “COMPETITIVE ADVANTAGES OF POLISH FOOD PRODUCERS ON THE EUROPEN UNION MARKET IN THE POST-ACCESSION PERIOD”. Acta Scientiarum Polonorum. Oeconomia 16 (2):13-22. https://doi.org/10.22630/ASPE.2017.16.2.14.