Certo, Samuel C. Modern management : Adding digital focus / Samuel C. Certo. - 9th ed. - Upper Saddle River, N.J. : Pearson Prentice Hall, c2003 - xxv, 595 p. : ill. ; 28 cm ISBN: 0131214470 Subjects--Topical Terms: Industrial management. Dewey Class. No.: 658 / CER