00647cam a22001577a 4500 180718bn.d. xxu||||| |||| 00| 0 eng d T34 Al51 Hayhurst, Roy Effective test marketing (an evaluation of risk reduction procedures for the introduction of new products): based upon a series of BIM seminars conducted by the authors by Roy Hayhurst and Gordon Wills New Delhi All India Management Association n.d. 416p. Management Information Services. Information Note No.3 Marketing All India Management Association Wills, Gordon 346825 346825 0 0 0 0 IIPA IIPA 1993-10-13 T34 Al51 47872 2018-07-21 2018-07-21 BK