Sekretni operat︠s︡ii, razuznavane, nat︠s︡ionalna sigurnost
By: Milko Vasilev-Changov
Publisher: Voenno izd-vo
Published: 2009
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 190
ISBN-13: 9789545094170
Subjects: Intelligence service; Secret service; National security
Notes: Includes bibliographical references (p. 179-190).