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		No cover image available A case for obtrusive observation by Pool, Harbison \| Evans, Roberta D. Material type: Text; Format: print ; Literary form: Not fiction Availability: No items available.
		No cover image available A response to Milner by Furtwengler, Carol B. Material type: Text; Format: print ; Literary form: Not fiction Availability: No items available.
		No cover image available A study of the effects of an organization change from streamed to mixed-ability classes upon science classroom instruction by Hacker, R. G \| Rowe, M. J. Material type: Text; Format: print ; Literary form: Not fiction Availability: No items available.

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