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Available at: &lt;<a href="http://journals.euser.org/index.php/ejis/article/view/897" target="_new">http://journals.euser.org/index.php/ejis/article/view/897</a>&gt;. Date accessed: 21 jan. 2021.
doi: <a href="http://dx.doi.org/10.26417/ejis.v1i1.p25-36">http://dx.doi.org/10.26417/ejis.v1i1.p25-36</a>.