Submitted on: 16 March 2012.
Revised on: 22 May 2012.
Accepted on: 18 July 2012.
___________________APPLIED CLAY SCIENCE---ELSEVIER
Submitted on: 20 September 2005.
Revised on: 11 January 2006.
Accepted on: 29 January 2006.
___________________APPLIED CLAY SCIENCE---ELSEVIER
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Submitted on: 05 June 2021.
Revised on: 25 June 2021.
Accepted on: 23 August 2021.
___________________APPLIED CLAY SCIENCE---ELSEVIER
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Submitted on: 11 April 2013.
Revised on: 31 May 2013.
Accepted on: 08 July 2013.
___________________APPLIED CLAY SCIENCE---ELSEVIER
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