The childʹs conception of number/

Main Author: Piaget, Jean, 1896-1980
Other Authors: Gattegno, C., Hodgson, F. M.
Format: Book
Language:English
Published: London: Routledge & Kegan Paul, 1965
Subjects:
Item Description:Translation of:
Physical Description:ix,248 p.
Bibliography:Index: p.245-248