Submitted on: 26 June 2011.
Revised on: 04 September 2011.
Accepted on: 18 September 2011.
___________________International Journal of Management and Economics
Submitted on: 20 May 2004.
Revised on: 16 July 2004.
Accepted on: 09 August 2004.
___________________International Journal of Management and Economics
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Submitted on: 15 November 2015.
Revised on: 24 January 2016.
Accepted on: 11 February 2016.
___________________International Journal of Management and Economics
Submitted on: 20 November 2021.
Revised on: 25 February 2022.
Accepted on: 06 April 2022.
___________________International Journal of Management and Economics
Submitted on: 20 October 2009.
Revised on: 27 December 2009.
Accepted on: 03 February 2010.
___________________International Journal of Management and Economics