SMĘDZIK-AMBROŻY, Katarzyna.
 The European Union’s (EU) agricultural policy and the sustainable development of agriculture in the Wielkopolska region.
<strong>Progress in Economic Sciences</strong>, [S.l.], n. 4, july 2017.
ISSN 2391-5951.
Available at: &lt;<a href="http://www.pes.pwsz.pila.pl/index.php/PES/article/view/122" target="_new">http://www.pes.pwsz.pila.pl/index.php/PES/article/view/122</a>&gt;. Date accessed: 09 oct. 2025.
doi: <a href="https://doi.org/10.14595/PES/04/020">https://doi.org/10.14595/PES/04/020</a>.