共 5 条
[1]
Mapping the Two Faces of R&D: Productivity Growth in a Panel of OECD Industries[J] . Rachel Griffith,Stephen Redding,John Van Reenen.Review of Economics and Statistics . 2004 (4)
[3]
An analysis of the critical role of public science in innovation: the case of biotechnology[J] . G.Steven McMillan,Francis Narin,David L Deeds.Research Policy . 2000 (1)
[5]
Develop Your Technology Strategy .2 Ford D. Long Range Planning . 1988