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

за авторством V. M. Kovalchuk
Опубліковано 2013

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

за авторством V. M. Kovalchuk
Опубліковано 2013

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

за авторством V. M. Kovalchuk
Опубліковано 2016

Analyzing the Communication Environment of Higher Education Institutions

за авторством V. M. Kovalchuk
Опубліковано 2022

Methodical Approach to Assessing the Demand for Higher Education in Ukraine

за авторством O. R. Kryvytska, L. B. Kovalenko, V. M. Kovalchuk
Опубліковано 2021

Geophysical research in the pre-Carpathian hydrosphere situation for the environmental civil protection purposes

за авторством Y. P. Starodub, V. V. Karabyn, A. P. Havrys, V. M. Kovalchuk, A. O. Rogulia, S. O. Yemelyanenko
Опубліковано 2022