3 1 50 Shelly Primary Author Cashman Additional Author Vermaat Additional Author mixed material 9789799550811 JAKARTA Salemba Infotek 2007 001.42_naz.m_153.jpg your interactive guide to the digital world Gary B. Shelly Primary Author Misty E. Vermaat Additional Author Jeffrey J. Quasney Additional Author Susan L. Sebok Additional Author Steven M. Freund Additional Author mixed material 9781111530648 Australia Course Technology 2012 scan0006.r.jpg Digital Technology, Data, and Devices Misty E. Vermaat Primary Author Susan L. Sebok Additional Author Steven M. Freund Additional Author Jennifer T. Campbell Additional Author Mark Frydenberg Additional Author mixed material 9781337285100 Amerika Cengage Learning 2018 scan141.pa17.jpg