کتاب های Ralph Roberts (auth.)
![Google Plus First Look: a tip-packed, comprehensive look at Google+](http://cdn.ketabkoo.com/covers/8/855176-n.jpg)
Google Plus First Look: a tip-packed, comprehensive look at Google+
Ralph Roberts, 2012![Yammer Starter](http://cdn.ketabkoo.com/covers/9/911386-n.jpg)
Yammer Starter
Ralph Roberts, 2012![Yammer Starter Guide](http://cdn.ketabkoo.com/covers/9/911387-n.jpg)
Yammer Starter Guide
Ralph Roberts, 2012![Yammer Starter Guide](http://cdn.ketabkoo.com/covers/9/911388-n.jpg)
Yammer Starter Guide
Ralph Roberts, 2012![Learning Computer Architecture with Raspberry Pi](http://cdn.ketabkoo.com/covers/11/1166163-n.jpg)
Learning Computer Architecture with Raspberry Pi
Eben Upton, Jeffrey Duntemann, Ralph Roberts, Tim Mamtora, Ben Everard, 2016![Banditry, Rebellion, and Social Protest in Africa](http://cdn.ketabkoo.com/covers/12/1261553-n.jpg)
Banditry, Rebellion, and Social Protest in Africa
Donald Crummey, Larry W. Yarak, William Freund, Allen F. Roberts, Ralph A. Austen, Ray A. Kea, Timothy Fernyhough, Robert Gordon, Leroy Vail and Landeg White, David Prochaska, Julia C. Wells, Stephen G. Bunker, Richard Caulk, Alison L. Des Forges, Cynthia Brantley, Shula Marks, Terence Ranger, 1986![Google Plus First Look: a tip-packed, comprehensive look at Google+](http://cdn.ketabkoo.com/covers/12/1274509-n.jpg)
Google Plus First Look: a tip-packed, comprehensive look at Google+
Roberts, Ralph, 2011![Foreclosure Investing For Dummies](http://cdn.ketabkoo.com/covers/15/1580614-n.jpg)