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Submitted on: 06 March 2002.
Revised on: 03 June 2002.
Accepted on: 08 July 2002.
___________________Journal of Early Childhood Research
Submitted on: 30 April 2016.
Revised on: 23 July 2016.
Accepted on: 01 September 2016.
___________________Journal of Early Childhood Research
Submitted on: 23 September 2015.
Revised on: 07 January 2016.
Accepted on: 27 January 2016.
___________________Journal of Early Childhood Research
Submitted on: 01 May 1999.
Revised on: 21 June 1999.
Accepted on: 27 July 1999.
___________________Journal of Early Childhood Research