TY JOUR TI Epistemological Approach to the Substantiation of Teaching Methods in Primary School KW epistemological approach KW substantiation of teaching methods KW their classification KW correlation between the model and the original KW methods KW primary schoolchild KW ideas of S.P. Baranov JO Journal of Pedagogical Studies AU Ovchinnikova, A.Z. PY 2025 IS 10 PB INFRA-M Academic Publishing LLC.