共 126 条
[1]
ACS ZJ, 1989, KYKLOS, V42, P171
[6]
Anand BN, 2000, J IND ECON, V48, P103
[7]
[Anonymous], 1994, The management of innovation
[8]
[Anonymous], 1995, The Knowledge Creating
[9]
[Anonymous], 2001, ECONOMETRIC ANAL CRO