Blumberg, Boris . , Business research methods/ Boris Blumberg, Donald R. Cooper and Pamela S. Schindler. - 3rd European ed. - xix, 138 pages : illustrations (some color) ; 26 cm. ISBN: 9780077129972 0077129970 Subjects--Topical Terms: Industrial management --Research. LC Class. No.: HD30.4 / .B59 2011