Whitten, Jeffery L. Systems analysis and design methods Jeffery L. Whitten, Llonnie D. Bentley and Kevin C. Dittman - 6th ed. - Boston: McGraw-Hill Irwin, 2004. - xix,780p Eng ISBN: 0072474173 Subjects--Topical Terms: System design Dewey Class. No.: 005.1 / WHS