Books by O. Vovk
Critical Infrastructure Protec
Critical Infrastructure Protection in Response to Terrorist Attacks
Volynʹ, Polissi︠a︡, Podilli︠a︡
Volynʹ, Polissi︠a︡, Podilli︠a︡
Borotʹba proty UPA i nat︠s︡ion
Borotʹba proty UPA i nat︠s︡ionalistychnoho pidpilli︠a︡
Vydanni︠a︡ Holovnoho Komanduva
Vydanni︠a︡ Holovnoho Komanduvanni︠a︡ UPA