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Submitted on: 26 July 2012.
Revised on: 30 September 2012.
Accepted on: 09 November 2012.
___________________JOURNAL OF ENGINEERING EDUCATION
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Submitted on: 05 April 1999.
Revised on: 09 July 1999.
Accepted on: 08 August 1999.
___________________JOURNAL OF ENGINEERING EDUCATION
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Submitted on: 02 April 2005.
Revised on: 29 April 2005.
Accepted on: 20 May 2005.
___________________JOURNAL OF ENGINEERING EDUCATION