Submitted on: 24 October 1999.
Revised on: 18 December 1999.
Accepted on: 30 December 1999.
___________________Caderno Profissional de Marketing Unimep
Submitted on: 10 February 2009.
Revised on: 16 May 2009.
Accepted on: 13 July 2009.
___________________Caderno Profissional de Marketing Unimep
Submitted on: 19 May 2011.
Revised on: 26 July 2011.
Accepted on: 20 August 2011.
___________________Caderno Profissional de Marketing Unimep
http://reply.papertrans.cn/1/45/4450/4450-34.png
Submitted on: 28 May 2007.
Revised on: 24 September 2007.
Accepted on: 13 November 2007.
___________________Caderno Profissional de Marketing Unimep
Submitted on: 09 March 2002.
Revised on: 24 May 2002.
Accepted on: 11 June 2002.
___________________Caderno Profissional de Marketing Unimep