00649naa#a2200193#i#450# EN\\bibl\131884 20260726181529.7 2712-7516 20260726b2026####ek#y0engy0150####ca RU System-activity approach in higher education training: problems and solutions Journal article Moscow ITBO University 2026 0 с. Journal article local Методы обучения. Формы преподавания. 378.147 Balobanova Natalia Petrovna Fathullin Rail' Feridovich Zgerskaya Elena Anatol'evna zhpi.ru