Guryanova, Lidiya, Oksana Panasenko, and Serhiy Voznyuk. 2021. “SYSTEMS ANALYSIS AND MODELLING OF THE EDUCATIONAL SERVICES MARKET”. INNOVATIVE TECHNOLOGIES AND SCIENTIFIC SOLUTIONS FOR INDUSTRIES, no. 1 (15) (March):32-42. https://doi.org/10.30837/ITSSI.2021.15.032.