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Submitted on: 12 March 2007.
Revised on: 17 April 2007.
Accepted on: 01 May 2007.
LEARNING AND INSTRUCTION
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Submitted on: 26 July 2022.
Revised on: 07 September 2022.
Accepted on: 17 September 2022.
LEARNING AND INSTRUCTION
Submitted on: 01 April 1999.
Revised on: 01 May 1999.
Accepted on: 10 May 1999.
LEARNING AND INSTRUCTION---PERGAMON-ELSEVIER SCIENCE LTD
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