Κανονική προβολή Προβολή MARC Προβολή ISBD

Hands on geoboards : problem-solving activities ; illustrated by Rob Browne. - California: Creative Publications, 1986. - 120 p. : ill. ; 29 cm.

ISBN: 0884883191

Subjects--Topical Terms:
Mathematics--Study and teaching (Elementary)

Dewey Class. No.: 372.7044