Submitted on: 21 February 2009.
Revised on: 04 March 2009.
Accepted on: 12 March 2009.
RIE-Revista de Investigacion Educativa
Submitted on: 15 August 2007.
Revised on: 22 August 2007.
Accepted on: 31 August 2007.
NULL
Submitted on: 27 October 2006.
Revised on: 30 November 2006.
Accepted on: 25 December 2006.
RIE-Revista de Investigacion Educativa
Submitted on: 28 July 2016.
Revised on: 20 August 2016.
Accepted on: 02 September 2016.
RIE-Revista de Investigacion Educativa
http://reply.papertrans.cn/3/273/27221/27221-15.png
http://reply.papertrans.cn/3/273/27221/27221-16.png
Submitted on: 11 December 2017.
Revised on: 13 January 2018.
Accepted on: 29 January 2018.
NULL
Submitted on: 23 August 2009.
Revised on: 06 October 2009.
Accepted on: 26 October 2009.
NULL
Submitted on: 28 October 2010.
Revised on: 22 November 2010.
Accepted on: 14 December 2010.
RIE-Revista de Investigacion Educativa
http://reply.papertrans.cn/3/273/27221/27221-20.png