共 89 条
[82]
Stoneman P., 1995, HDB EC INNOVATION TE
[83]
TETHER BS, 2003, EC INNOVATION NEW TE, V12
[84]
VANDERWIEL H, 2001, EINDH CTR INN STUD E
[85]
VANLEEUWEN G, 2003, CPB DISCUSSION PAPER
[88]
WOLFF EN, 2002, PRODUCTIVITY INNOVAT
[89]
1997, PROPOSED GUIDELINES