Bryman, Alan. Business Research Methods / Alan Bryman; Emma Bell. - International 4th ed - UK: Oxford university Press, C2015. - xv, 584p: ill; 27 cm. Subject Index. ISBN: 9780198747581 Subjects--Topical Terms: Business--Research--Methodology. Dewey Class. No.: 658.0072 / BRY-B 2015 807902