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Head: Naumenko Rayisa Andriyivna. Social pedagogical basis of nonschool education actevety in modern conditions. (popup.stage: Розробка програми та методики дослідження. Констатуючий експеримент). The Institute for Problematic Education, Ukrainion Academy of Pedagogical science. № 0301U000257
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Updated: 2026-03-27
