參考文獻(xiàn)

[1] MANSFIELD E. Managerial Economics: Theory, Applications, and Cased[M].New York: W.W. Norton & Company, Inc,1996: 35-37.[2] NEGASSI S. R&D co-operation and innovation a microeconometric study on French firms[J]. Research Policy, 2004, 33(3):365 ......（本文共 1989 字 ）     [閱讀本文] >>