Morozov, A. V., and T. A. Vakaliuk. “COMPARATIVE ANALYSIS OF EXISTING DIGITAL EDUCATIONAL AND SCIENTIFIC ENVIRONMENTS OF HIGHER EDUCATION INSTITUTIONS OF UKRAINE”. Pedagogical Sciences: Theory and Practice , Vol. 2, no. 1, Sept. 2021, pp. 236-43, doi:10.26661/2522-4360-2021-1-2-37.