Westwood, P. S. 1. (2000). Numeracy and learning difficulties: Approaches to teaching and assessment. Camberwell, Vic.: Australian Council for Educational Research Press.
Chicago-tyylinen lähdeviittausWestwood, Peter S. 1936-. Numeracy and Learning Difficulties: Approaches to Teaching and Assessment. Camberwell, Vic.: Australian Council for Educational Research Press, 2000.
MLA-viiteWestwood, Peter S. 1936-. Numeracy and Learning Difficulties: Approaches to Teaching and Assessment. Camberwell, Vic.: Australian Council for Educational Research Press, 2000.
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