共 121 条
[3]
Fixed-effects negative binomial regression models
[J].
SOCIOLOGICAL METHODOLOGY 2002, VOL 32,
2002, 32
:247-265
[6]
[Anonymous], 2006, STRUCTURAL TRANSFORM
[7]
[Anonymous], 2001, 8568 NAT BUR EC RES
[8]
[Anonymous], 2013, Tracking Clean Energy Progress 2013: IEA Input to the Clean Energy Ministerial, OECD/IEA
[9]
[Anonymous], PATENTS INDICATORS I
[10]
[Anonymous], 1997, ACAD MANAGEMENT P