Gaston Hillar (Hillar, Gaston)

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  E-Sociedad: Internet Y LA Tecnologia Vs. LA Sociedad Humana
  by Gaston Hillar
  Softcover, Hasa, ISBN 9505281900 (950-528-190-0)
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  Guia Rapida Para: Excel 2000
  by Gaston Hillar
  Softcover, Hasa, ISBN 9505281757 (950-528-175-7)
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  Guia Rapida Para Word 2000
  by Gaston Hillar
  Hardcover, Hasa, ISBN 9505281749 (950-528-174-9)
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  Reparacion y actualizacion de PC visual/ Repair and Updating of Visual PC
  by Gaston Hillar
  Softcover, Editorial Limusa S.A. De C.V., ISBN 9681865316 (968-18-6531-6)