Sources

- dosomething.org
- history.com
- nssc1.org
- education.findlaw.com
- cnn.com
- pta.org
- edts523ndz.wikispaces.com
- king5.com
- ncpc.org
- www2.gvsu.edu

- dosomething.org
- history.com
- nssc1.org
- education.findlaw.com
- cnn.com

- pta.org
- edts523ndz.wikispaces.com
- king5.com
- ncpc.org
- www2.gvsu.edu