Submitted on: 31 January 2006.
Revised on: 08 May 2006.
Accepted on: 30 June 2006.
___________________Global Trade and Customs Journal
Submitted on: 02 September 2014.
Revised on: 11 November 2014.
Accepted on: 24 November 2014.
___________________Global Trade and Customs Journal
Submitted on: 25 November 2021.
Revised on: 22 February 2022.
Accepted on: 30 March 2022.
___________________Global Trade and Customs Journal
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Submitted on: 02 November 2007.
Revised on: 20 December 2007.
Accepted on: 10 February 2008.
___________________Global Trade and Customs Journal
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Submitted on: 05 September 2017.
Revised on: 21 December 2017.
Accepted on: 18 February 2018.
___________________Global Trade and Customs Journal
Submitted on: 17 February 2002.
Revised on: 13 March 2002.
Accepted on: 07 May 2002.
___________________Global Trade and Customs Journal
Submitted on: 20 May 1998.
Revised on: 06 September 1998.
Accepted on: 30 October 1998.
___________________Global Trade and Customs Journal
Submitted on: 15 October 2020.
Revised on: 14 December 2020.
Accepted on: 31 December 2020.
___________________Global Trade and Customs Journal