00640naa#a2200169#i#450# EN\\bibl\39692 20240429032125.1 2542-1840 20201002b2020####ek#y0engy0150####ca RU New Concepts of Teaching Subject Knowledge and the Need for Their Consideration in the Content of Textbooks Journal article Kemerovo Kemerovo State University 2020 8 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Mukambetova Aigul Sadyrbaevna jcenter.kemsu.ru