Submitted on: 08 April 2014.
Revised on: 19 May 2014.
Accepted on: 05 June 2014.
___________________Infancias Imagenes---UNIV DISTRITAL FRANCISCO JOSE CALDAS
Submitted on: 30 August 2016.
Revised on: 01 October 2016.
Accepted on: 14 November 2016.
___________________Infancias Imagenes---UNIV DISTRITAL FRANCISCO JOSE CALDAS
Submitted on: 27 November 2000.
Revised on: 17 January 2001.
Accepted on: 06 March 2001.
___________________Infancias Imagenes---UNIV DISTRITAL FRANCISCO JOSE CALDAS
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