9Getting America's Students Ready for the 21st Century: Meeting the Technology Literacy Challenge[DB/OL]. http://www2.ed.gov/ about/offices/list/os/technology/plan/national/index.html,2010-06-23.
10Gary Orfield, Daniel Losen, Johanna Wald. Losing our future: How minority youth are being left behind by the graduation rate crisis [DB/OL].http://www.urban.org/UploadedPDF/410936_ LosingOurFuture.pdf, 2010-07-26.
