共 55 条
[1]
ADB, 2006, STAND PREQ DOC PREQ
[2]
Alexeeva Victoria, 2008, TRANSPORT PAPERS
[3]
Anderson WIllam, 2000, MEASURING EC IMPACTS, P64
[5]
Arias O., 2001, EMPIR ECON, V26, P7
[9]
Blancas Luis, 2011, 5528 WORLD BANK