MARQUES, Célio Gonçalo et al.
 Lifelong learning in the european space: proposal for an observatory.
<strong>Superavit</strong>, [S.l.], v. 2, p. 7-14, oct. 2017.
ISSN 1646-480X. Available at: &lt;<a href="http://superavit.ipt.pt/index.php/superavit/article/view/12" target="_new">http://superavit.ipt.pt/index.php/superavit/article/view/12</a>&gt;. Date accessed: 20 apr. 2024.
doi: <a href="https://doi.org/10.26358/srgivol2ar12">https://doi.org/10.26358/srgivol2ar12</a>.