Статията е индексирана в CEEOL.
<div><a href='https://www.ceeol.com/search/article-detail?id=611242' target='_blank'>https://www.ceeol.com/search/article-detail?id=611242</a></div>
Статията е индексирана в EBSCO.
<div><a href='https://search.ebscohost.com/login.aspx?direct=true&db=bsu&AN=127974373&site=ehost-live' target='_blank'>https://search.ebscohost.com/login.aspx?direct=true&db=bsu&AN=127974373&site=ehost-live</a></div>
