Narrow search
Showing 1 - 4 of 4
Cover Image
Marketing research : Text and cases
Boyd jr., Harper W.; Westfall, Ralph - 1972
Persistent link: https://www.econbiz.de/10002026807
Cover Image
Cases in marketing strategy
Boyd, Harper W.; Clewett, Richard M.; Westfall, Ralph - 1958
Persistent link: https://www.econbiz.de/10000650030
Cover Image
Interviewers as a source of error in surveys
Boyd jr., Harper W.; Westfall, Ralph - In: Journal of marketing 19 (1955), pp. 311-324
Persistent link: https://www.econbiz.de/10002026767
Cover Image
Marketing in India
Westfall, Ralph; Boyd jr., Harper W. - In: Journal of marketing 25 (1960) 2, pp. 11-17
Persistent link: https://www.econbiz.de/10003018705