RUSINOVA, Evgeniya.
 Application of quantitative and qualitative methods in the study of library activities in Bulgaria.
<strong>Qualitative and Quantitative Methods in Libraries</strong>, [S.l.], v. 6, n. 2, p. 203-208, feb. 2019.
ISSN 2241-1925.
Available at: &lt;<a href="http://www.qqml.net/index.php/qqml/article/view/400" target="_new">http://www.qqml.net/index.php/qqml/article/view/400</a>&gt;. Date accessed: 20 apr. 2024.