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	1.	PC BASIC : getting started. / William S. Davis. by Davis, William S., 1943 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Reading, Mass. : Addison-Wesley, c1988 Availability: Items available for loan: Aklatang Emilio Aguinaldo-Information Resource Center (1)Call number: QA 76.8 D299 1988. Place hold Add to cart (remove)
	2.	Operating systems : a systematic view. / William S. Davis. by Davis, William S, -1943 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Quezon City : Goldenpages Pub., c1992 Availability: Items available for loan: Aklatang Emilio Aguinaldo-Information Resource Center (1)Call number: QA 76.76.O63 .D299 1992. Place hold Add to cart (remove)
	3.	Operating systems : A systematic view / William S. Davis, T.M. Rajkumar. by Davis, William S, -1943 Rajkumar, T.M Material type: Text; Format: print ; Literary form: Not fiction Publication details: Singapore : Pearson Education Asia, c2002 Availability: Items available for loan: Aklatang Emilio Aguinaldo-Information Resource Center (2)Call number: QA 76.76.O63 .D299 2002, ... Place hold Add to cart (remove)
	4.	No cover image available E-Commerce basics : technology foundations and e-business applications. / William S. Davis, John Benamati. by Davis, William S, -1943 Benamati, John H Material type: Text; Format: print ; Literary form: Not fiction Publication details: Boston : Addison Wesley, c2003 Availability: Items available for loan: Aklatang Emilio Aguinaldo-Information Resource Center (1)Call number: HF 5548.32 .D299 2003. Place hold Add to cart (remove)