BarackObama.com View Source by Charles Chen · May 10, 2012 Print PDF eBookBrilliant! SHAREClick to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)
Book Review: 17 Equations That Changed the World March 25, 2012 by Charles Chen · Published March 25, 2012
Philly.NET Code Camp – Follow Up October 10, 2010 by Charles Chen · Published October 10, 2010 · Last modified October 20, 2010
