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		No cover image available Simulating the understanding of arithmetic : a response to Schoenfeld by Ohlsson, Stellan. Material type: Text; Format: print ; Literary form: Not fiction Availability: No items available.
		No cover image available The cognitive complexity of learning and doing arithmetic by Ohlsson, Stellan \| Ernst, Andreas M \| Rees, Ernest. Material type: Text; Format: print ; Literary form: Not fiction Availability: No items available.

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