TY JOUR TI BIRSK TEACHER'S INSTITUTE (1939-1952) IN DOMESTIC HISTORIOGRAPHY KW historiography KW pedagogical education KW teaching staff KW teacher training institute KW teacher KW Birsk KW Bashkortostan JO Journal of Pedagogical Studies AU Sergeev, Y.N. AU Hamidullin, R.R. AU Melnikova, N.A. PY 2025 IS 10 PB INFRA-M Academic Publishing LLC.