BERENSON,MARK L. HANNA,MICHAEL E. RENDER,BARRY KREHBIEL,TIMOTHY C. LEVINE,DAVID M. QUANTITATIVE TECHNIQUES FOR MANAGEMENT - 1st Ed. - Delhi Pearson Education Asia (Pte) Ltd., Delhi 2012 ISBN: 978-81-317-7248-5 Dewey Class. No.: 658.072 7 / LEV/Q