Addition and subtraction a cognitive perspective

Detalles Bibliográficos
Otros Autores:	Carpenter, Thomas P, eds, Moser, James M., eds, Romberg, Thomas A., eds
Formato:	Libro
Lenguaje:	English
Publicado:	Hillsdale, NJ Lawrence Earlbaum Associates c1982.
Materias:	Addition. Subtraction. Mathematical ability > Testing.