Submitted on: 17 August 1999.
Revised on: 08 November 1999.
Accepted on: 02 January 2000.
___________________Journal of Eta Maritime Science
Submitted on: 25 March 2007.
Revised on: 14 May 2007.
Accepted on: 26 June 2007.
___________________Journal of Eta Maritime Science
Submitted on: 15 April 2005.
Revised on: 10 August 2005.
Accepted on: 08 October 2005.
___________________Journal of Eta Maritime Science
Submitted on: 18 February 2001.
Revised on: 29 March 2001.
Accepted on: 20 April 2001.
___________________Journal of Eta Maritime Science
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Submitted on: 15 October 2006.
Revised on: 14 January 2007.
Accepted on: 15 February 2007.
___________________Journal of Eta Maritime Science
Submitted on: 12 October 2020.
Revised on: 30 January 2021.
Accepted on: 10 March 2021.
___________________Journal of Eta Maritime Science
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Submitted on: 08 March 2014.
Revised on: 23 May 2014.
Accepted on: 17 July 2014.
___________________Journal of Eta Maritime Science