← Search Journal of Marketing Vol. 50 No. 2 1986 A Model for Studying R&D. Marketing Interface in the Product Innovation Process Ashok K. Gupta; S. P. Raj; David Wilemon DOI10.2307/1251596 Volume50 Issue2 Pages7 Sources semanticscholar crossref 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 ✓