Submitted on: 01 December 2010.
Revised on: 11 March 2011.
Accepted on: 11 April 2011.
___________________Assessing Writing---ELSEVIER SCI LTD
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Submitted on: 21 December 2017.
Revised on: 23 January 2018.
Accepted on: 12 February 2018.
___________________Assessing Writing---ELSEVIER SCI LTD
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