TY  - BOOK
AU  - Hughes,Martin
TI  - Los niños y los números: las dificultades en el aprendizaje de las matemáticas
T2  - Nueva Paideia
SN  - 8432080225
AV  - BF723.N8 H8418 1987
U1  - 372.72 
PY  - 1987///
CY  - Barcelona
PB  - Editorial Planeta
KW  - Number concept in children
KW  - Local
KW  - Mathematical ability
KW  - Study and teaching
N1  - Translation of: Children and number: difficulties in learning mathematics; Includes index; Bibliography: p. [229]-233
ER  -