Commodities free advancement safety of navigation and enviroment: modern international adjustiong von O. M. Kotlubai

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Ukraine is in world sea-born trade von O. M. Kotlubai

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Methodical foundations of harbour dues calculation development von D. V. Kartyshev, O. M. Kotlubai

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Economic and legal principles of forwarding companies as cargo agents von O. M. Kotlubai, O. A. Lypynska

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