GARDOCKA-JAŁOWIEC, Anna; 						NIEMCZYK, Agata.
 Disposable income and consumption expenses in pensioners’ households in Poland in the years 2010-2019 – the analysis of changes in view of demographic transformations.
<strong>Optimum. Economic Studies</strong>, [S.l.], n. 4(106), p. 45-56, sie. 2021.
ISSN 1506-7637.
Dostępne w: &lt;<a href="http://optimum.uwb.edu.pl/index.php/osj/article/view/482" target="_new">http://optimum.uwb.edu.pl/index.php/osj/article/view/482</a>&gt;. Data dostępu: 10 cze. 2023.
doi: <a href="https://doi.org/10.15290/OES.2021.04.106.04">https://doi.org/10.15290/OES.2021.04.106.04</a>.