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		No cover image available A comparison of student perceptions of science activities within three instructional approaches by Shepardson, Daniel P \| Pizzini, Edward L. Material type: Text; Format: print ; Literary form: Not fiction Availability: No items available.
		No cover image available Student questioning in the presence of the teacher during in science by Pizzini, Edward L \| Shepardson, Daniel P. Material type: Text; Format: print ; Literary form: Not fiction Availability: No items available.

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