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
Year of publication: 2011
Volume: 77
Issue: 2-3
Pages: 247-265
Type: Article