na INLIS000000000007914 20160304153518.0 978-979-877-036-4 010-031600000000249 SBPUBUK Ind 22 004.678 004.678 DUW b Duwi Priyatno 1982 Belajar Mudah Internet: Browsing,Download-Upload,E-mail,Chatting,Mailing List,Friendster,Blog,dan Facebook/ Duwi Priyatno cet.3 Yogyakarta : MediaKom, 2009 167 hlm.: ilus.; 21 cm. hlm.165-166 Internet SBPUBUK 1797/KPAD/2015