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Submitted on: 19 December 2008.
Revised on: 10 January 2009.
Accepted on: 28 January 2009.
RAE-Revista de Administracao de Empresas
Submitted on: 14 June 2013.
Revised on: 27 June 2013.
Accepted on: 21 July 2013.
RAE-Revista de Administracao de Empresas
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Submitted on: 22 August 2005.
Revised on: 08 September 2005.
Accepted on: 23 September 2005.
RAE-Revista de Administracao de Empresas
Submitted on: 24 January 2001.
Revised on: 05 March 2001.
Accepted on: 01 April 2001.
RAE-Revista de Administracao de Empresas
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Submitted on: 03 July 1999.
Revised on: 02 August 1999.
Accepted on: 27 August 1999.
RAE-Revista de Administracao de Empresas
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