Chang, Yih-Long. QSB℗ʻ : Quantitative systems for busines plus / Yih-Long Chang, Robert S. Sullivan. - Englewood Cliffs - xv, 356 p : ill ; c1994 ISBN: 0130458732 Subjects--Topical Terms: QSB (Computer programs)Operations research -- Data processing. Dewey Class. No.: 658.055369