1. SGI: A framework for increasing the sustainability of gamification impact;AlMarshedi A.;International Journal for Infonomics,2015
2. Interactive design and gamification of ebooks for mobile and contextual learning;Bidarra J.;International Journal of Interactive Mobile Technologies (iJIM),2015
3. Gamification and student motivation
4. The classic study on poor children’s fourth‐grade slump;Chall J. S.;American Educator,2003