na 020114s2002||||jki| g | 000 0 ind d BKTDB0201201400036 20140102133221.359 979-20-1417-9 013-020114003660 SBPKHAT [21] 004.678 004.678 ONO b Onno W. Purbo Keamanan jaringan internet : buku pintar internet / Onno W. Purbo, Tony Wiharjito Cet. 4 Jakarta : Elex Media Komputindo, 2002 x, 154 hlm. : ilus. ; 18 cm. Internet Tony Wiharjito SBPKHAT