na INLIS000000000043064 20131008101748 Ind 010-101300000000986 Ind 005.8 005.8, Tos d Tosin, Riyanto Detkesi, elimainasi, proteksi virus komputer melalui the norton anti virus, Rijanto Tosin 1992 Jakarta vi, 78 hlm., Ilus., 21 cm Komputer-Virus NBPNMAT