00534naa#a2200169#i#450# EN\INFRA-M\bibl\64718 20241212030747.4 2500-0500 20230528b2023####ek#y0engy0150####ca RU Integration issues in the education system Journal article Moscow INFRA-M Academic Publishing LLC. 2023 4 с. Journal article local Демография. Социология. Статистика. 31 Bazarbekova D. M. naukaru.ru