http://reply.papertrans.cn/3/253/25229/25229-21.png
http://reply.papertrans.cn/3/253/25229/25229-22.png
Submitted on: 06 February 2013.
Revised on: 16 February 2013.
Accepted on: 10 March 2013.
Prisma Social---FUNDACION IS&D INVESTIGACION SOCIAL AVANZADA
Submitted on: 24 March 2011.
Revised on: 08 April 2011.
Accepted on: 17 April 2011.
Prisma Social
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Submitted on: 19 July 2004.
Revised on: 30 July 2004.
Accepted on: 22 August 2004.
Prisma Social---FUNDACION IS&D INVESTIGACION SOCIAL AVANZADA
http://reply.papertrans.cn/3/253/25229/25229-27.png
Submitted on: 23 June 2005.
Revised on: 23 July 2005.
Accepted on: 02 August 2005.
Prisma Social---FUNDACION IS&D INVESTIGACION SOCIAL AVANZADA
http://reply.papertrans.cn/3/253/25229/25229-29.png
Submitted on: 16 January 2006.
Revised on: 01 February 2006.
Accepted on: 22 February 2006.
Prisma Social