Bringing Abstract Concepts Alive. How to Base Learning Success on the Principles of Playing, Curiosity and In-Classroom Differentiation.

Peter Gruber Bringing Abstract Concepts Alive. How to Base Learning Success on the Principles of Playing, Curiosity and In-Classroom Differentiation. 134-141 2008 ISSEP http://dx.doi.org/10.1007/978-3-540-69924-8_12 conf/issep/2008 db/conf/issep/issep2008.html#Gruber08