All Rights Reserved
AccessEcon LLC 2006, 2008.
Powered by MinhViet JSC
ralph lauren polo

 





Tran manh Tuyen
first author
 
app 001, 7boulevard copernic
champs sur marne, PARIS
FRANCE
 
t2m1979@yahoo.com
 
 
 
 
 
 
JEL Areas:
C1 : Econometric and Statistical Methods: General
C : Mathematical and Quantitative Methods