Guryanova, Lidiya, Oksana Panasenko, and Serhiy Voznyuk. “SYSTEMS ANALYSIS AND MODELLING OF THE EDUCATIONAL SERVICES MARKET”. INNOVATIVE TECHNOLOGIES AND SCIENTIFIC SOLUTIONS FOR INDUSTRIES, no. 1 (15) (March 31, 2021): 32–42. Accessed May 3, 2024. https://journals.uran.ua/itssi/article/view/227961.