A. V. . Trotsko, L. S. . Rybalko, Kіrіlenko O. G. ., and H. O. . Trush, “TEACHERS’ PROFESSIONAL SELF-IMPROVEMENT IN THE CONDITIONS OF DISTANCE LEARNING IMPLEMENTATION IN HIGHER EDUCATION INSTITUTIONS”, ITLT, vol. 72, no. 4, pp. 258–272, Sep. 2019, doi: 10.33407/itlt.v72i4.3088.