TY  - BOOK
AU  - Piaget,Jean
AU  - Szeminska,Alina,Joint author
AU  - Vasallo,Sara
TI  - GÃ©nesis del nÃºmero en el niÃ±o
T2  - Biblioteca Pedagogica
PY  - 1987///
CY  - Buenos Aires
PB  - Editorial Guadalupe
KW  - Child development
KW  - Local
KW  - Number concept
N1  - Translation of: La genÃ©se du nombre chez l'enfant; Includes bibliographical footnotes and index
ER  -