na INLIS000000000000180 20160903124819.0 a ||| | 170609| ||| | - 0010-111400000000041 001 001 DJR m Ir.Djarot Hadi Mengenal Virus Komputer 1 Jakarta PT Elex Media Komputindo 1991 viii, 84 hlm, 21 cm Virus komputer 4222/H/2004 0156/H/1993