TY JOUR TI A personal-developmental approach to the formation 
of cognitive activity in junior schoolchildren 
by means of crossens KW personal development approach KW cognitive activity KW junior schoolchild KW components KW criteria KW levels KW crossens JO Journal of Pedagogical Studies AU Ovchinnikova, A.Z. PY 2025 IS 10 PB INFRA-M Academic Publishing LLC.