Whitten, Jeffrey L. Systems analysis and design methods / Jeffrey L. Whittens, Lonnie D. Bentley - 7th ed. - Boston : McGraw-Hill Irwin, 2007. - xv, 747 p. ISBN: 0071107662 : KES 4890 Subjects--Topical Terms: System design.System analysis. LC Class. No.: QA76.9 / .S88W45 2007 c. 1