Systems analysis and design methods / Jeffrey L. Whitten, Lonnie D. Bentley ; with contributions by Gary Randolph. Systems analysis & design methods Whitten, Jeffrey L. Bentley, Lonnie D. System design. System analysis. 004.21 WHS Includes bibliographical references and index. Boston : McGraw-Hill/Irwin, c2007. c2007. 2007 Text xv, 747 p. : http://www.loc.gov/catdir/enhancements/fy0625/2005054019-d.html http://www.loc.gov/catdir/enhancements/fy0634/2005054019-t.html http://www.loc.gov/catdir/enhancements/fy0737/2005054019-b.html eng