THE ANALYSIS OF INCOMES AND EXPENDITURES OF THE SELF-EMPLOYED HOUSEHOLDS IN POLAND IN YEARS 2002-2007. zeszyty [Internet]. 2021 Feb. 5 [cited 2025 Jul. 20];1(13):27-38. Available from: https://ezeszyty.wne.tu.koszalin.pl/index.php/zeszyty/article/view/257