Search Results - O. A. Chumachenko

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    The Creation of Bypass Turbojet Engine AI-25 by O. A. Chumachenko

    Published 2015
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    Ukrainian chronicles, diaries-chronicles of the 17th–18th centuries about the economy and money circulation of the Cossack Hetmanate by A. M. Kliuiev, O. A. Chumachenko

    Published 2022
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    The initial period of the campaign to eliminate illiteracy in the Sumy region in the 1920s: agitation for literacy, encouragement to study on an ideological factor (according to th... by A. P. Hrytsenko, O. A. Chumachenko, V. S. Prokopchuk

    Published 2022
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