共 4 条
- [2] Complementarity in R&D cooperation strategies [J]. REVIEW OF INDUSTRIAL ORGANIZATION, 2006, 28 (04) : 401 - 426
- [3] The impact of patent protection, economy openness and national culture on R&D investment: a cross-country empirical investigation[J] . Nikos C. Varsakelis.Research Policy . 2001 (7)
- [4] Technology in the Modern Corporation .2 Horwitch M. . 1986