1. 2004 MathSpeak Initiative. www.gh-mathspeak.com. 2004 MathSpeak Initiative. www.gh-mathspeak.com.
2. Using accessible math textbooks with students who have learning disabilities
3. Liblouis. www.liblouis.org. Liblouis. www.liblouis.org.
4. A Flexible Design for Accessible Spoken Math
5. Soiffer N. "Making Math Accessible: MathPlayer Usage Takes Off!" accessiblemath.dessci.com/2011/01/mathplayer-usage-takes-off.html. Soiffer N. "Making Math Accessible: MathPlayer Usage Takes Off!" accessiblemath.dessci.com/2011/01/mathplayer-usage-takes-off.html.