Addition and subtraction a cognitive perspective

Détails bibliographiques
Autres auteurs:	Carpenter, Thomas P, eds, Moser, James M., eds, Romberg, Thomas A., eds
Format:	Livre
Langue:	English
Publié:	Hillsdale, NJ Lawrence Earlbaum Associates c1982.
Sujets:	Addition. Subtraction. Mathematical ability > Testing.