SEPPÄNEN, Antti-Pekka; 						LAITINEN, Markku.
 Libraries Do Make a Difference: Common Principles in Showing the Impact of Different Types of Libraries.
<strong>Qualitative and Quantitative Methods in Libraries</strong>, [S.l.], v. 1, n. 1, p. 3-11, may 2017.
ISSN 2241-1925.
Available at: &lt;<a href="http://www.qqml.net/index.php/qqml/article/view/32" target="_new">http://www.qqml.net/index.php/qqml/article/view/32</a>&gt;. Date accessed: 18 may 2024.