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Submitted on: 04 September 2012.
Revised on: 08 November 2012.
Accepted on: 23 December 2012.
___________________International Journal of Shipping and Transport Logistics
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Submitted on: 05 July 2013.
Revised on: 06 August 2013.
Accepted on: 23 September 2013.
___________________International Journal of Shipping and Transport Logistics
Submitted on: 04 February 2012.
Revised on: 08 April 2012.
Accepted on: 27 May 2012.
___________________International Journal of Shipping and Transport Logistics
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Submitted on: 06 September 2016.
Revised on: 31 October 2016.
Accepted on: 24 November 2016.
___________________International Journal of Shipping and Transport Logistics
Submitted on: 14 June 2000.
Revised on: 24 September 2000.
Accepted on: 12 November 2000.
___________________International Journal of Shipping and Transport Logistics