Nat︠s︡ionalna sigurnost i voenna doktrina na Republika Bŭlgarii︠a︡
By: Borislav Naĭdenov, Dzhon Khaĭgenrich.
Contributors: Khaĭgenrich, Dzhon.
Publisher: Fenei︠a︡
Published: 1999
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 128