LAITINEN, Markku.
 The Challenge of Showing Economic Impact of Library.
<strong>Qualitative and Quantitative Methods in Libraries</strong>, [S.l.], v. 4, n. 2, p. 321-330, may 2017.
ISSN 2241-1925.
Available at: &lt;<a href="http://78.46.229.148/ojs/index.php/qqml/article/view/38" target="_new">http://78.46.229.148/ojs/index.php/qqml/article/view/38</a>&gt;. Date accessed: 14 nov. 2024.