Analyzing the Communication Environment of Higher Education Institutions von V. M. Kovalchuk

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Battles and Skirmishers between the Ukrainian Insurgents and the Soviet Moldovian Partisan Units (Southern Volhynia, end of 1943 and early of 1944) von V. M. Kovalchuk

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Changes in the Enciphering System as revealed in the Documents of the Organization of Ukrainian Nationalists (OUN-B) in 1947 – 48 von V. M. Kovalchuk

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Oleksii Danylyshyn. Povstans'kymy stezhkamy Zhydachivshchyny. Boi, bunkery, kryivky... – Drohobych: Kolo, 2012. – 514 p. von V. M. Kovalchuk

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Methodical Approach to Assessing the Demand for Higher Education in Ukraine von O. R. Kryvytska, L. B. Kovalenko, V. M. Kovalchuk

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Geophysical research in the pre-Carpathian hydrosphere situation for the environmental civil protection purposes von Y. P. Starodub, V. V. Karabyn, A. P. Havrys, V. M. Kovalchuk, A. O. Rogulia, S. O. Yemelyanenko

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