00491     2200181   4500001002100000005001700021006001900038008004100057020000500098035002400103084001700127100001700144245007400161250000500235260003700240650001700277990001500294INLIS00000000000233520161019141824.0a           ||| | 170609|                      ||| |      $a -$a 0010-011500000000338$a 001.642 HAR v$a Hartojo Salim$a Virus komputer $b Teknik pembuatan & langkah-langkah penanggulangannya$a 1$a Yogyakarta $b Andi Offset $c 1990$a Keamanan data$a 7425/B/2006