The child's conception of number /
Piaget, Jean, 1896-1980.
The child's conception of number / Jean Piaget - New York : Humanities Press, 1952. - ix, 248 p. ; 22 cm. - International library of psychology, philosophy, and scientific method . - International library of psychology, philosophy, and scientific method. .
Translation of La gen�se du nombre chez l'enfant.
Child psychology.
Number concept.
155.41323 / PIC 1952
The child's conception of number / Jean Piaget - New York : Humanities Press, 1952. - ix, 248 p. ; 22 cm. - International library of psychology, philosophy, and scientific method . - International library of psychology, philosophy, and scientific method. .
Translation of La gen�se du nombre chez l'enfant.
Child psychology.
Number concept.
155.41323 / PIC 1952