"The Trinity from Pokuttya": A systematic approach за авторством V. Ivashkiv

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Excerpts from our chinese diary: notes on ukrainian studies, education and culture за авторством V. Ivashkiv, H. Ivashkiv

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Influence of iron sulfides on rate of oxidation-reduction processes on steels different structures in chloride-acetate solutions за авторством M. Khoma, S. Halaichak, V. Ivashkiv, M. Chuchman, Yu. Maksishko

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