共 4 条
[2]
高级宏观经济学[M]. 商务印书馆 , (美)戴维·罗默(DavidRomer)著, 1999
[3]
The relationship between technology, innovation, and firm performance—Empirical evidence from e-business in Europe[J] . Philipp Koellinger.Research Policy . 2008 (8)

