Stages and transition in conceptual development : an experimental study
Wallace, John Gilbert1972
Books
Main title:
Imprint:
Slough : National Foundation for Educational Research, 1971.
Collation:
247p. : ill., 1form ; 22cm.
Notes:
Ill. on lining papers.Bibliographyp.237-243. _ Includes index.
ISBN:
9780901225603 (pbk)
Local class:
155.413
Language:
English
Subject:
BRN:
2936997