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Who Is Minding the Mathematics Content. A Case Study of a Fifth-Grade Teacher. Mathematische Inhalte im Unterricht: Fallstudie einer Lehrerin der fuenften Klasse. (English)
Elem. Sch. J. (Nov 1992) v. 93(2) p. 153-62. CODEN: ELSJA2 [ISSN 0013-5984]
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