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Candidate dissertation
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Girya Olexiy. Methods of Chemical Elements and their Compounds Study in Chemical Biological Slant Classes of Comprehensive Schools : к.пед.н. : spec.. 13.00.02 - Теорія і методика навчання (з галузей знань) : presented. 2006-05-11; . Sumy State Pedagogical University named by Makarenko. – , 0406U002264.
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Updated: 2025-07-07