کتاب های Joan Preppernau
![2007 Microsoft Office System Step by Step](http://cdn.ketabkoo.com/covers/0/73955-n.jpg)
2007 Microsoft Office System Step by Step
Online Training Solutions Inc., Curtis D. Frye, Joan Preppernau, Joyce K. Cox, Steve Lambert, 2007![Windows Vista™ Step by Step](http://cdn.ketabkoo.com/covers/3/351865-n.jpg)
Windows Vista™ Step by Step
Joan Preppernau, 2006![Windows seven : étape par étape](http://cdn.ketabkoo.com/covers/3/351921-n.jpg)
Windows seven : étape par étape
Joan Preppernau, 2009![Windows 7 Step by Step](http://cdn.ketabkoo.com/covers/3/352007-n.jpg)
Windows 7 Step by Step
Joan Preppernau, 2009![Microsoft Press Windows 7 Step By Step Sep](http://cdn.ketabkoo.com/covers/9/978111-n.jpg)