Churchill, Gilbert A.
Marketing research : methodological foundations / Gilbert A. Churchill. - 6th ed. - Dryden Press 1995.
5742
Marketing research.
HF5415.2 / Chu.
Marketing research : methodological foundations / Gilbert A. Churchill. - 6th ed. - Dryden Press 1995.
5742
Marketing research.
HF5415.2 / Chu.