What counts in the development of young children’s number knowledge? (English)
Dev. Psychol. 46, No. 5, 1309-1319 (2010).
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Science and Math Instruction: A New Partnership. Naturwissenschafts- und Mathematikunterricht: Eine neue Partnerschaft. (English)
Media Methods. (Nov-Dec 1988) v. 25(2) p. 13-16,72-73.
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