Does the Cumulative Effect of R&D Investment Exist in High-Tech Enterprises? <br/>—Empirical Evidence from China A-Share Listed Companies
2020 ◽
Vol 08
(03)
◽
pp. 1122-1137
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2021 ◽
Vol ahead-of-print
(ahead-of-print)
◽
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2018 ◽
Vol 06
(02)
◽
pp. 234-249