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Submitted on: 28 June 2005.
Revised on: 20 August 2005.
Accepted on: 05 October 2005.
___________________JOURNAL OF CELLULAR PLASTICS---SAGE PUBLICATIONS LTD
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Submitted on: 09 April 2022.
Revised on: 04 August 2022.
Accepted on: 18 September 2022.
___________________JOURNAL OF CELLULAR PLASTICS---SAGE PUBLICATIONS LTD
Submitted on: 22 August 2000.
Revised on: 14 October 2000.
Accepted on: 21 November 2000.
___________________JOURNAL OF CELLULAR PLASTICS---SAGE PUBLICATIONS LTD