1. 1. Österreichischer Wissenschaftsrat. (2014). Die Vermessung der Wissenschaft. Messung und Beurteilung von Qualität in der Forschung. Wien. Retrieved from http://www.wissenschaftsrat.ac.at/news/Messung_Endversion_inkl%20Cover.pdf.
2. 2. Porev, S. M., Sandyha, I. V. Indicators of science critical for the creation of Ukrainian research universities. Marketing and innovation management, 3, 246-262. Retrieved from http://mmi.fem.sumdu.edu.ua/sites/default/files/mmi2016_3_246_262_0.pdf [in Ukrainian].
3. 3. Cabinet of Ministers of Ukraine. (2018). Some issues of the state attestation of higher education institutions in terms of carrying out their scientific (scientific and technical) activities (Decree No. 652, August 22). Retrieved from https://www.kmu.gov.ua/ua/npas/deyaki-pitannya-provedennya-derzhavnoyi-atestaciyi-zakladiv-vishchoyi-osviti-v-chastini-provadzhennya-nimi-naukovoyi-naukovo-tehnichnoyi-diyalnosti [in Ukrainian].
4. 4. Cabinet of Ministers of Ukraine. (2017). On approval of the procedure for conducting state certification of scientific institutions (Decree No. 540, July 19). Retrieved from http://zakon.rada.gov.ua/laws/show/540-2017-%D0%BF [in Ukrainian].
5. 5. Müller, H. (2012). Zitationen als Grundlage von Forschungsleis - tungsrankings - Konzeptionelle Überlegungen am Beispiel der Betriebswirtschaftslehre. Retrieved from http://www.bzh.bayern.de/uploads/media/2-2012-Mueller.pdf.