National Library of Ukraine Vernadsky
National Library of Ukraine Vernadsky -biggest Library of Ukraine, Chief Scientific Information Center of State. Ranked among the top ten national libraries of the world.
Indexing
Bielefeld Academic Search Engine (Since 5 April 2015)
Bielefeld Academic Search Engine (BASE) - search engine (Germany), which is one of the most powerful suppliers of actual data on the scientific publications of European scientists.
URAN
Association of Users of Ukrainian Research and Academic Network (from 2014 to 2016).
РИНЦ (from 2014 to 2017)
РИНЦ is a national bibliographic database Science Citation, accumulating more than 7 million publications Russian authors, as well as information about these publications quoting from a 4500 Russian magazines. It is intended not only for the operational support of research to date reference and bibliographic information, but is also a powerful analytical tool that allows to assess the impact and effectiveness of research organizations, scientists, the level of scientific magazines, etc.