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Submitted on: 25 September 2013.
Revised on: 17 December 2013.
Accepted on: 09 January 2014.
___________________INTERNATIONAL JOURNAL OF ELECTRONIC COMMERCE
Submitted on: 01 August 2015.
Revised on: 02 October 2015.
Accepted on: 10 November 2015.
___________________INTERNATIONAL JOURNAL OF ELECTRONIC COMMERCE
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Submitted on: 15 April 2014.
Revised on: 16 July 2014.
Accepted on: 28 July 2014.
___________________INTERNATIONAL JOURNAL OF ELECTRONIC COMMERCE
Submitted on: 16 October 2003.
Revised on: 09 November 2003.
Accepted on: 11 December 2003.
___________________INTERNATIONAL JOURNAL OF ELECTRONIC COMMERCE