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Submitted on: 21 September 2009.
Revised on: 26 November 2009.
Accepted on: 12 January 2010.
___________________International Journal of Precision Engineering and Manufacturing-Green Technology
Submitted on: 12 April 2020.
Revised on: 16 May 2020.
Accepted on: 02 July 2020.
___________________International Journal of Precision Engineering and Manufacturing-Green Technology
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Submitted on: 18 July 1998.
Revised on: 17 August 1998.
Accepted on: 07 September 1998.
___________________International Journal of Precision Engineering and Manufacturing-Green Technology
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