00519naa#a2200169#i#450# EN\\bibl\23392 20241124190914.7 2542-1840 20170325b2017####ek#y0engy0150####ca RU SOCIALIZATION OF PRESCHOOL-AGE CHILDREN AS A SOCIO-PEDAGOGICAL PROBLEM Journal article Kemerovo Kemerovo State University 2017 4 с. Journal article local Churekova Tatiana Mikhailovna Puranen V. N. vestnik-bees.kemsu.ru