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Submitted on: 06 May 2008.
Revised on: 18 June 2008.
Accepted on: 07 July 2008.
RAE-Revista de Administracao de Empresas
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Submitted on: 08 March 2011.
Revised on: 27 March 2011.
Accepted on: 18 April 2011.
RAE-Revista de Administracao de Empresas
Submitted on: 06 April 2004.
Revised on: 01 May 2004.
Accepted on: 17 May 2004.
RAE-Revista de Administracao de Empresas
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Submitted on: 31 October 2001.
Revised on: 09 November 2001.
Accepted on: 29 November 2001.
RAE-Revista de Administracao de Empresas