[<a href="../facebook/bg/485/index.html" itemprop="sameAs" rel="nofollow noopener" target="_blank"> Technical University of Sofia's Facebook page</a>, <a href="https://www.linkedin.com/school/technical-university-of-sofia/" itemprop="sameAs" rel="noopener nofollow" target="_blank"> Technical University of Sofia's LinkedIn profile</a>, <a href="../youtube/bg/485/index.html" itemprop="sameAs" rel="nofollow noopener" target="_blank"> Technical University of Sofia's YouTube or Vimeo channel</a>, <a href="https://en.wikipedia.org/wiki/Technical_University,_Sofia" itemprop="sameAs" rel="noopener nofollow" target="_blank"> Technical University of Sofia's Wikipedia article</a>]