O. Vovk

• Borotʹba proty UPA i nat︠s︡ionalistychnoho pidpilli︠a︡
• Critical Infrastructure Protection in Response to Terrorist Attacks
• Volynʹ, Polissi︠a︡, Podilli︠a︡
• Vydanni︠a︡ Holovnoho Komanduvanni︠a︡ UPA