The Theoretical and Methodological Principles of Forming the Economic Security System of Industrial Enterprise von T. P. Tkachenko

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The species list of seaweeds of north-west part of the black sea von F. P. Tkachenko

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The new location of rare species of Ukraine flora Chara uzbekistanica Hollerb. von F. P. Tkachenko

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New find of rare freshwater brown algae Pleurocladia lacustris A.Braun (Phaeophyseae) from Dnieper Estuary of the Black Sea (Ukraine) von F. P. Tkachenko

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Review on the book: Algae of Ukraine: diversity, nomenclature, taxonomy, ecology and geography. Vol. 4. P.M. Tsarenko, S.P. Wasser & E. Nevo (Eds) von F. P. Tkachenko

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Zygnematales of water bodies of north-west part near shore of the Black Sea (Ukraine) von F. P. Tkachenko

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V. Sukhomlynsky in I. Tsyupa's story "Creator of Kindness" von R. P. Tkachenko

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A contribution to the flora of Charales of the southwest Ukraine von E. V. Borisova, F. P. Tkachenko

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Algae of water bodies of Elanetsky Steppe Nature Reserve (Ukraine) von F. P. Tkachenko, V. P. Gerasimjuk

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Algological investigations at the Odessa University in 1934–1970 von V. A. Kuznetsov, F. P. Tkachenko

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AMarcophytobenhos of Beresansky Estuary, its costal waters and sea shore of Beresan Island von F. P. Tkachenko, A. O. Artemenko

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Species composition of algae small rivers of the North-Western Black Sea region von O. M. Myroniuk, F. P. Tkachenko

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Algological investigations at the Odessa University (1890-1933) von V. A. Kuznetsov, F. P. Tkachenko

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Content of fucoxanthin in some brown algae from the Black Sea (Phaeophyceae, Ochrophyta) von F. P. Tkachenko, I. P. Jakuba

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The history development of algological school at the Odessa university in the period 1865 – 1890 von V. O. Kuznetsov, F. P. Tkachenko

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First record of Vaucheria velutina C. Agardh (Ochrophyta, Vaucheriales) in Ukraine von F. P. Tkachenko, K. B. Sardarjan

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Fatty acids of total lipids of species genus of Cystoseira C. Agardh (Black Sea, Crimea) von F. P. Tkachenko, I. I. Maslov

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Macrophytobenthos of botanical reservation of national significance "Zernov's Phyllophora field" (Ukraine) von F. P. Tkachenko, Y. P. Tretiak

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Ecological and biological characteristics of liman and marine populations of Cystoseira barbata and marine C. crinita (Phaeophyta) von F. P. Tkachenko, I. I. Maslov

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Algological investigations at Odessa University in 1965–2015. Formation school of Prof. I.I. Pogrebnyak von V. O. Kuznietsov, F. P. Tkachenko

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