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		No cover image available Encyclopedias on CD-ROM : two orders of magnitude more than any other educaional software has ever delivered before by Becker, Henry Jay Material type: Text; Format: print ; Literary form: Not fiction Availability: No items available.
		No cover image available How computers are used in United States schools : basic data from the 1989 I.E.A. computers in education survey by Becker, Henry Jay Material type: Text; Format: print ; Literary form: Not fiction Availability: No items available.

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