ARYABKINA, I. ., O. . DONINA, N. . IVANUSHKINA, A. CHERNYKH, N. GAJBUROVA, and J. . CHERNOVA. “Modern Trends and Specifics of Additional Professional Education of University Teachers”. WISDOM , vol. 19, no. 3, Sept. 2021, pp. 55-67, https://wisdom.miopap.aspu.am/index.php/wisdom/article/view/499.