Entering the world of number
By: Robert T. Green and Veronica J. Laxon.
Contributors: Laxon, Veronica J., joint author.
Publisher: Thames and Hudson
Published: 1978
Place of publication: New York
Language: eng
Number of pages: 180
Subjects: Mathematics -- Study and teaching (Preschool)
Notes: Bibliography: p. 177.
Includes index.