Submitted on: 28 April 2006.
Revised on: 19 May 2006.
Accepted on: 12 June 2006.
___________________Journal of Internet Services and Applications
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Submitted on: 28 September 2012.
Revised on: 08 December 2012.
Accepted on: 02 January 2013.
___________________Journal of Internet Services and Applications
Submitted on: 19 October 2006.
Revised on: 15 February 2007.
Accepted on: 17 March 2007.
___________________Journal of Internet Services and Applications
Submitted on: 10 October 2019.
Revised on: 05 February 2020.
Accepted on: 26 February 2020.
___________________Journal of Internet Services and Applications
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Submitted on: 21 March 2016.
Revised on: 27 April 2016.
Accepted on: 18 June 2016.
___________________Journal of Internet Services and Applications