共 50 条
- [32] Endogenous protection of R&D investments CANADIAN JOURNAL OF ECONOMICS-REVUE CANADIENNE D ECONOMIQUE, 2009, 42 (01): : 184 - 205
- [40] Delivering the D in R&D: Increasing Product Outcomes from R&D Projects ASSISTIVE TECHNOLOGY FROM ADAPTED EQUIPMENT TO INCLUSIVE ENVIRONMENTS, 2009, 25 : 736 - 741