GUZIEJEWSKA, Beata.
 Interdisciplinary interplay between government programs, politics and demography as exemplified by the Polish family 500+ program: assumptions and first experiences.
<strong>Optimum. Economic Studies</strong>, [S.l.], n. 4(106), p. 30-44, lip. 2021.
ISSN 1506-7637.
Dostępne w: &lt;<a href="http://optimum.uwb.edu.pl/index.php/osj/article/view/478" target="_new">http://optimum.uwb.edu.pl/index.php/osj/article/view/478</a>&gt;. Data dostępu: 07 lip. 2022.
doi: <a href="https://doi.org/10.15290/oes.2021.04.106.03">https://doi.org/10.15290/oes.2021.04.106.03</a>.