Коротина НЮ, Нечаева СВ. DEVELOPMENT OF PRESCHOOL EDUCATION IN CHELYABINSK REGION: MODERN TENDENCIES AND PROBLEMS. Социум и власть [Internet]. 2015 Jun. 15 [cited 2026 Nov. 8];56(6):107-12. Available from: https://socium-vlast.owebs.ru/article/view/28289