Submitted on: 25 November 2018.
Revised on: 11 December 2018.
Accepted on: 22 December 2018.
NULL
Submitted on: 02 June 1999.
Revised on: 11 July 1999.
Accepted on: 26 July 1999.
NULL
Submitted on: 26 March 1999.
Revised on: 06 April 1999.
Accepted on: 17 April 1999.
Revista Contemporanea de Educacao
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Submitted on: 15 July 2012.
Revised on: 28 August 2012.
Accepted on: 13 September 2012.
NULL
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Submitted on: 02 March 2010.
Revised on: 24 March 2010.
Accepted on: 29 March 2010.
NULL
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