Dave Nagel
@dave_nagel1
Educational Consultant, Presenter, Visible Learning+ Certified Trainer Keynoter, Author
ID: 1954469173
http://davenagel.com 11-10-2013 15:33:44
1,1K Tweet
2,2K Followers
772 Following
@dave_nagel1
Educational Consultant, Presenter, Visible Learning+ Certified Trainer Keynoter, Author
ID: 1954469173
http://davenagel.com 11-10-2013 15:33:44
1,1K Tweet
2,2K Followers
772 Following