[4]
R&D and Absorptive Capacity: Theory and Empirical Evidence*[J] . RachelGriffith,StephenRedding,JohnVan Reenen.Scandinavian Journal of Economics . 2003 (1)
[4]
R&D and Absorptive Capacity: Theory and Empirical Evidence*[J] . RachelGriffith,StephenRedding,JohnVan Reenen.Scandinavian Journal of Economics . 2003 (1)