batch_1777361329 20260428102849000 National Academy of Sciences of Ukraine, Institute of Encyclopedic Research esu@esu.com.ua National Academy of Sciences of Ukraine, Institute of Encyclopedic Research Entsyklopedychnyi visnyk Ukrainy [The Encyclopedia Herald of Ukraine] Entsykl. visn. Ukr. 2706-9990 2707-000X 2017 8-9 Mykola Zhelezniak Institute of Encyclopedic Research, National Academy of Sciences of Ukraine (Kyiv, Ukraine) https://orcid.org/0000-0002-8290-6345 Oleksandr Ishchenko Institute of Encyclopedic Research, National Academy of Sciences of Ukraine (Kyiv, Ukraine) https://orcid.org/0000-0002-8910-111X The views of various experts on the Encyclopedia of Ukraine have been investigated and the main areas of scientific research are outlined in which this encyclopedia is used in studies or is as a source of cited information. 2017 40 54 10.37068/evu.8-9.4 https://evu.encyclopedia.kyiv.ua/article/55 https://evu.encyclopedia.kyiv.ua/doi/10.37068/evu.8-9.4.pdf