Submitted on: 21 September 2008.
Revised on: 19 November 2008.
Accepted on: 09 December 2008.
___________________Applied System Innovation---MDPI
Submitted on: 25 July 2002.
Revised on: 09 October 2002.
Accepted on: 01 November 2002.
___________________Applied System Innovation---MDPI
Submitted on: 14 February 2007.
Revised on: 23 April 2007.
Accepted on: 16 June 2007.
___________________Applied System Innovation---MDPI
Submitted on: 26 March 2007.
Revised on: 12 July 2007.
Accepted on: 02 August 2007.
___________________Applied System Innovation---MDPI
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Submitted on: 22 July 2001.
Revised on: 18 November 2001.
Accepted on: 11 January 2002.
___________________Applied System Innovation---MDPI
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Submitted on: 06 May 2016.
Revised on: 15 June 2016.
Accepted on: 28 June 2016.
___________________Applied System Innovation---MDPI