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 SVIZZERA ‒ Approvata con referendum una revisione costituzionale in materia di immigrazione.
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ISSN 2037-6677.
Available at: &lt;<a href="https://www.dpceonline.it/index.php/dpceonline/article/view/284" target="_new">https://www.dpceonline.it/index.php/dpceonline/article/view/284</a>&gt;. Date accessed: 06 may 2024.
doi: <a href="http://dx.doi.org/10.57660/dpceonline.2011.284">http://dx.doi.org/10.57660/dpceonline.2011.284</a>.