The Use of Open Electronic Scientific and Educational Systems to Support the Professional Activities of Research and Teaching Staff of Ukrainian Universities and Scientific Institutions. - Oleg M. Spirin; Olga V. Matviienko; Svitlana M. Ivanova; Oksana V. Ovcharuk; Iryna S. Mintii; Iryna V. Ivaniuk; Liliia A. Luparenko (DHW, 2021)