Awad, Elias M. Systems analysis and design / Elias M. Awad. - 2nd ed. - New Delhi : Galgotia, c1997 [Reprinted 1998]. - xiv, 524 pages : illustrations ; 22 cm. Includes index. Subjects--Topical Terms: System design.System analysis. Dewey Class. No.: 004.21 AWA