共 10 条
[8]
现代贸易组织创新研究[M]. 中国物资出版社 , 陈阿兴,李朝鲜著, 2003
[10]
Unit root tests in panel data: asymptotic and finite-sample properties[J] . Andrew Levin,Chien-Fu Lin,Chia-Shang James Chu.Journal of Econometrics . 2002 (1)

