THE ASSESSMENT OF THE DIVERSITY OF INCOME AND SAVINGS OF HOUSEHOLDS IN POLAND – COMPARATIVE APPROACH ACCORDING TO REGIONS. zeszyty [Internet]. 2018 Jan. 10 [cited 2025 Jul. 20];1(21):279-303. Available from: https://ezeszyty.wne.tu.koszalin.pl/index.php/zeszyty/article/view/100