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

 





C. alano S. Almeida
Universidade Federal Rural do Semi-Árido
 
,
 
carlosalanosa72@gmail.com
 
 
 
 
 
 
JEL Areas:
O3 : Technological Change; Research and Development: General
M2 : Business Economics: General