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Submitted on: 24 January 2009.
Revised on: 13 February 2009.
Accepted on: 18 March 2009.
___________________JOURNAL OF EDUCATIONAL RESEARCH
Submitted on: 10 January 2015.
Revised on: 01 March 2015.
Accepted on: 24 March 2015.
___________________JOURNAL OF EDUCATIONAL RESEARCH
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Submitted on: 31 August 2011.
Revised on: 15 December 2011.
Accepted on: 08 January 2012.
___________________JOURNAL OF EDUCATIONAL RESEARCH
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