“…The matter of building an optimal model of managing the online platform "Higher School Mathematics Teacher" is considered in the article "Management of online platform development and support process" by Kateryna V. Vlasenko, Sergii V. Volkov (figure 19), Iryna V. Lovianova, Olena O. Chumak, Irina V. Sitak and Dmytro Ye. Bobyliev [166]. This article highlights further research by the authors, begun in [167,168,169,170,171,172,173,174,175,176,177,178].…”