The Bulakhovsky's historical commentary as a new scientific method and its significance for the Ukrainian language research von O. B. Tkachenko

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To wards the Ideo log i cal Foun da tions of the Ukrai nian Na tion and the Ukrai nian Lan guage von O. B. Tkachenko

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Impression of the Past von O. B. Tkachenko

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Ukrainian as a state language in the difficulties of its formation von O. B. Tkachenko

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The innovative components of strategic development of the wine-making enterprises of Ukraine von O. B. Tkachenko, I. M. Aheieva, V. M. Berkhaut

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