  1999 - Guiding Children's Learning of Mathematics (Paperback) → Paperback, Hardcover, Audio CD ISBN-13: 9780534549558 ISBN-10: 0534549551 Genre: Nonfiction ?   Beginning with Logo Terrapin Version (Paperback) ISBN-13: 9780130717399 ISBN-10: 0130717398 Genre: Science & Math ?  Guiding Children's Learning of Mathematics (Paperback) → Paperback, Hardcover, Audio CD ISBN-13: 9780534507343 ISBN-10: 0534507344 Genre: Science & Math ? |
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