Whitten, Jeffrey L. Systems analysis & design methods / Jeffrey L. Whitten, Lonnie D. Bentley, Victor M. Barlow - 3a.ed. - Illinois : Irwin, c1994 - 868 p.; 26 cm. ISBN: 0256093601 Subjects--Topical Terms: ANALISIS DE SISTEMAS Universal Decimal Class. No.: 681.3.068