Volume 3, Number 2 (July 2006)
A classification of strategies employed by high school students in isomorphic combinatorial problems
Martina Janácková and Jaroslav Janácek
Frames of Reference and Achievement in Elementary Arithmetic
Eddie M. Gray and Demetra Pitta-Pantazi
How students conceive function: A triarchic conceptual-semiotic model of the understanding of a complex concept.
Iliada Elia and Panayotis Spyrou