Journal of Productivity Analysis. 2014;42(2):137-155. doi: 10.1007/s11123-013-0360-0 Q21.82025
On the robustness of R&D
论研发的稳健性
DOI: 10.1007/s11123-013-0360-0
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Journal of Productivity Analysis. 2014;42(2):137-155. doi: 10.1007/s11123-013-0360-0 Q21.82025
DOI: 10.1007/s11123-013-0360-0
摘要 查看摘要