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ralph lauren polo


First Author:
 
Waldemiro A. Silva Neto
Department of Economics of Federal University of Goias
netoalcantara@ufg.br
 
Goiania, 74001970, Brazil
 
 
 

Second Author:

Gilberto J Fraga
Department of Economics of Maringa State UniversitY
gjfraga@uem.br
 
Maringa, 87020-900, Brazil