TY JOUR TI Teaching the Core Subjects of the First Grade Curriculum During the Adaptation Period: September – October KW first-graders; adaptation period; weekly academic workload; organization of training JO Primary Education AU Vinogradova, N.F. AU Kuznetsova, M.. AU Rozhkova, M.V. AU Rydze, O.A. PY 2026 IS 14 PB INFRA-M Academic Publishing LLC.