Stages and transition in conceptual development : an experimental study /

Bibliographic Details
Main Author:	Wallace, J. G. (John Gilbert)
Format:	Book
Language:	English
Published:	Slough, Bucks : National Foundation for Educational Research, 1972.
Subjects:	Learning, Psychology of. Concepts.

Description
Item Description:	Ill. on lining papers. Includes indexes.
Physical Description:	247 pages : illustrations ; 22 cm.
Bibliography:	Bibliography: pages [237]-243.
ISBN:	0901225606