Н. Ю. Коротина and С. В. Нечаева, “DEVELOPMENT OF PRESCHOOL EDUCATION IN CHELYABINSK REGION: MODERN TENDENCIES AND PROBLEMS”, Социум и власть, vol. 56, no. 6, pp. 107–112, Jun. 2015, Accessed: Nov. 08, 2026. [Online]. Available: https://socium-vlast.owebs.ru/article/view/28289