Shelly, Gary B. Business systems analysis and design / Gary B. Shelly and Thomas J. Cashman. - St. Brea, CA. : Anaheim, 1975. - x, 609 p. : ill. ; 27 cm. Includes index. ISBN: 0882360434 Subjects--Topical Terms: System analysis. Business -- Data processing. Dewey Class. No.: Q 658.05 SHE