Müller-Frączek, Iwona; Muszyńska, Joanna - In: Roczniki (Annals), 2
In 2010, the CSO has altered the definition of a farm. As a result of this change, there are some research problems, arising from a significant decrease in the number of farms that meet the new definition. One of them is the impact of this decline on the regional differentiation of economic size...