Why is the learning of elementary arithmetic concepts difficult? Semiotic tools for understanding the nature of mathematical objects
- Godino, J.D.
- Font, V.
- Wilhelmi, M.R.
- Lurduy, O.
ISSN: 0013-1954, 1573-0816
Argitalpen urtea: 2011
Alea: 77
Zenbakia: 2-3
Orrialdeak: 247-265
Mota: Artikulua