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Submitted on: 27 October 2006.
Revised on: 16 December 2006.
Accepted on: 10 January 2007.
___________________Gecontec-Revista Internacional de Gestion del Conocimiento y la Tecnologia
Submitted on: 21 April 2015.
Revised on: 15 August 2015.
Accepted on: 23 September 2015.
___________________Gecontec-Revista Internacional de Gestion del Conocimiento y la Tecnologia
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Submitted on: 05 June 2006.
Revised on: 20 August 2006.
Accepted on: 12 October 2006.
___________________Gecontec-Revista Internacional de Gestion del Conocimiento y la Tecnologia
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