← Search Research Policy 1974 SAPPHO updated - project SAPPHO phase II Roy Rothwell; C. Freeman; A. Horlsey; V.T.P. Jervis; A.B. Robertson; J. Townsend University of Sussex DOI10.1016/0048-7333(74)90010-9 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 ✓