The growth of basic mathematical and scientific concepts in children
By: by K. Lovell; foreword by Bärbel Inhelder.
Edition: 5th ed., 2nd impression.
Series: Unibooks
Publisher: University of London P.
Published: 1968
Place of publication: London
Language: eng
Number of pages: 158
Subjects: Number concept in children.; Conservation (Psychology)
Notes: Includes bibliographies.