1. Adauto, G., & Klein, J. (2010). Motion math: Gestures for embodied learning of fractions. Retrieved August 25, 2011, from http://www.jacobklein.com/wp-content/uploads/2010/04/AdautoKleinMastersProposal.pdf
2. Playing games and learning mathematics;J.Ainly;Transforming children’s mathematics education: International perspectives,1990
3. The use of computer games as an educational tool: identification of appropriate game types and game elements
4. Automaticity and the ACT Theory
5. Multiplication;J.Anghileri;Encyclopedia of mathematics education,2001