na INLIS000000000067188 20211214075753 0010-1221000449 ta 211214 g 0 ind 978-602-04-9708-2 005.8 005.8 EFV n Efvy Zam Network :Tweaking dan Hacking / Efvy Zam Cet.4 JAKARTA : PT Elex Media Komputindo, 2019 204 hlm. : ilust. ; 21 cm. KEAMANAN DATA