The Contribution of Generalization to the Learning of the Addition Facts
Thiele, C. L.
Place of Publication
Bureau of Publications - Teachers College, Columbia University
240x160 mm. 84 pages. Gilt hardcover. Cover slightly curved. Cover corners rubbed. Spine edges bumped and rubbed. Inner cover slightly stained. Few pages slightly stained- no damage to text. Pages yellowing. Else in good condition.
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