Submitted on: 06 August 1998.
Revised on: 20 October 1998.
Accepted on: 10 November 1998.
___________________Disability and Rehabilitation-Assistive Technology
Submitted on: 11 August 2008.
Revised on: 13 October 2008.
Accepted on: 23 November 2008.
___________________Disability and Rehabilitation-Assistive Technology
Submitted on: 04 September 2013.
Revised on: 28 December 2013.
Accepted on: 04 February 2014.
___________________Disability and Rehabilitation-Assistive Technology
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Submitted on: 16 June 2011.
Revised on: 12 October 2011.
Accepted on: 07 December 2011.
___________________Disability and Rehabilitation-Assistive Technology
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Submitted on: 07 June 2019.
Revised on: 25 September 2019.
Accepted on: 24 October 2019.
___________________Disability and Rehabilitation-Assistive Technology
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