Zashtita na klasifit︠s︡iranata informat︠s︡ii︠a︡
Edition: 5. izd.; kŭm 8 i︠u︡ni 2009 g
Series: Poredit︠s︡a Dzhobni izdanii︠a︡
Publisher: Sibi
Published: 2009
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 258
ISBN-13: 9789547305915