VALACICH, J.S. & GEORGE, J.F. & HOFFER, J. A. ESSENTIALS OF SYSTEMS ANALYSIS AND DESIGN - 2nd ed. - NEW DELHI : PRINTICE HALL 2004 - 460 p. ISBN: 0008120323122 Subjects--Topical Terms: SYSTEM ANALYSIS : SYSTEM DESIGN Dewey Class. No.: 004.21 / V14