na YOGYA-01120000000528 20120110204908.0 ind 978-979-29-2686-6 010-011200000000528 YOPDYOG 005.84 DEP 005.84 Lan LANGKAH cerdas membasmi virus komputer Yogyakarta Andi 2011 XII, 226 hlm ilus 23cm Virus komputer YOPDYOG CB-D.11 2011-1250