← Search Journal of Marketing 1943 Manufacturer's Sales Research Helps Large Customers to Grow D. C. Whittinghill DOI10.2307/1245841 Sources semanticscholar openalex Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓