Oliinyk, O. P., and S. V. Oliinyk. “IMPROVING THE LEVEL OF TEACHING MATHEMATICS IN THE CONDITIONS OF DISTANCE EDUCATION”. Distance Education in Ukraine: Innovative, Normative-Legal, Pedagogical Aspects, vol. 1, no. 1, Sept. 2021, pp. 210-3, doi:10.18372/2786-5495.1.15785.