1. A multi-dimensional typology of games;Aarseth,2003
2. Intentional affect: An alternative notion of affective interaction with a machine;Afzal,2009
3. The functions of multiple representations;Ainsworth;Computers and Education,1999
4. Framing the adoption of serious games in formal education;Arnab;Electronic Journal of e-Learning,2012
5. Intentional learning as a goal of instruction;Bereiter,1989