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Submitted on: 23 March 2009.
Revised on: 20 April 2009.
Accepted on: 01 June 2009.
___________________Accion Psicologica---UNIV NACL EDUCACION DISTANCIA-UNED, FAC PSICOLOGIA
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Submitted on: 14 October 2012.
Revised on: 18 November 2012.
Accepted on: 04 December 2012.
___________________Accion Psicologica---UNIV NACL EDUCACION DISTANCIA-UNED, FAC PSICOLOGIA
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Submitted on: 20 December 2004.
Revised on: 10 February 2005.
Accepted on: 15 March 2005.
___________________Accion Psicologica---UNIV NACL EDUCACION DISTANCIA-UNED, FAC PSICOLOGIA