TY JOUR TI INTERACTION OF KINDERGARTEN AND FAMILY IN THE MATHEMATICAL DEVELOPMENT OF PRESCHOOLERS KW preschool children KW kindergarten KW family KW cooperation KW mathematical development JO Applied psychology and pedagogy AU Rabadanova, R.S. AU Shmelyova, N.G. AU Fatyhova, A.L. PY 2021 IS 6 PB INFRA-M Academic Publishing LLC.