共 63 条
[1]
ACS ZJ, 1993, NEW CONCEPTS IN INNOVATION OUTPUT MEASUREMENT, P10
[4]
[Anonymous], 2012, NON PARAMETRIC APPRO
[5]
[Anonymous], 2007, 006 JEN EC RES, DOI DOI 10.2139/SSRN.1018593
[9]
BRENNER T., 2009, WORKING PAPERS EVOLU