na INLIS000000000002179 20180916010331 180916||||||||| | ||| |||| || | 978-602-9025-71-2 010-0918002179 id 605.8 Wah m 605.8 Wah m Wahyudi Mengatasi virus komputer Yogyakarta Skripta Media Creative 2013 vi + 90 hlm.; 21 x 29,7 cm