na INLIS000000000000090 20150706144421 170126||||||||| | ||| |||| || || 979-731-482-0 0010-071500000000090 005.8 005.8 HAP v HAPPY, Chandraleka Virus Worm dan Trojan Horse Cetakan : 1 Yogyakarta ANDI 2004 198 hlm. ilus. 21 cm. Bibliografi : hlm.hal.197 COMPUTER,VIRUS