References
- Brousseau , G. 1997 . Theory of didactical situations in mathematics , Dordrecht , , the Netherlands : Kluwer .
- Leikin , R. 2009 . Exploring mathematical creativity using multiple solution tasks . In Creativity in mathematics and the education of gifted students , R. Leikin , A. Berman , and B. Koichu , 129 – 145 . Rotterdam , , the Netherlands : Sense Publisher .