TY JOUR TI Existential self-determination of schoolchildren 
as a target function of additional education KW self-determination KW comprehensive school students KW existential choice KW supplementary education KW subjective position of the individual JO Journal of Pedagogical Studies AU Rozhkov, M.I. AU Pavlov, A.V. PY 2026 IS 11 PB INFRA-M Academic Publishing LLC.