na INLIS000000000000024 20240612145207.0 240612| ||| | ind a 0010-062400000000024 Pedoman Lengkap Virus Komputer David Frost Frost, David Beale, Ian Frost, Chris Jakarta : Elex Media Komputindo 1991 ix, 141 halaman ; 21 cm. 0--273-03255-0 005.8 005.8 FRO p computer security 0000025