Submitted on: 26 October 2002.
Revised on: 04 February 2003.
Accepted on: 16 March 2003.
___________________Collectivus-Revista de Ciencias Sociales
Submitted on: 05 June 2001.
Revised on: 05 August 2001.
Accepted on: 18 September 2001.
___________________Collectivus-Revista de Ciencias Sociales
Submitted on: 21 August 2013.
Revised on: 03 October 2013.
Accepted on: 01 December 2013.
___________________Collectivus-Revista de Ciencias Sociales
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Submitted on: 20 June 2002.
Revised on: 22 July 2002.
Accepted on: 19 August 2002.
___________________Collectivus-Revista de Ciencias Sociales
Submitted on: 15 August 2012.
Revised on: 13 September 2012.
Accepted on: 14 October 2012.
___________________Collectivus-Revista de Ciencias Sociales
Submitted on: 29 October 2001.
Revised on: 06 December 2001.
Accepted on: 28 December 2001.
___________________Collectivus-Revista de Ciencias Sociales
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Submitted on: 17 May 2023.
Revised on: 14 July 2023.
Accepted on: 22 August 2023.
___________________Collectivus-Revista de Ciencias Sociales