Submitted on: 28 October 2013.
Revised on: 26 January 2014.
Accepted on: 27 February 2014.
___________________Information Technology and Control
Submitted on: 09 April 2005.
Revised on: 26 July 2005.
Accepted on: 19 September 2005.
___________________Information Technology and Control
Submitted on: 21 October 2011.
Revised on: 16 February 2012.
Accepted on: 07 April 2012.
___________________Information Technology and Control
Submitted on: 27 December 2012.
Revised on: 03 March 2013.
Accepted on: 15 March 2013.
___________________Information Technology and Control
Submitted on: 29 October 2001.
Revised on: 07 February 2002.
Accepted on: 08 March 2002.
___________________Information Technology and Control
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Submitted on: 29 March 2012.
Revised on: 24 July 2012.
Accepted on: 18 September 2012.
___________________Information Technology and Control
Submitted on: 20 November 2001.
Revised on: 11 December 2001.
Accepted on: 29 December 2001.
___________________Information Technology and Control