TY JOUR TI A variable approach to the formation of functional literacy in students with moderate mental retardation KW variable approach KW vital competencies KW special education KW concomitant disorders KW moderate mental retardation KW academic subjects KW functional literacy JO Journal of Pedagogical Studies AU Tihomirova, L.F. AU Savateeva, A.L. AU Puhova, M.V. PY 2023 IS 8 PB INFRA-M Academic Publishing LLC.