Submitted on: 10 December 2012.
Revised on: 25 March 2013.
Accepted on: 09 May 2013.
___________________Confins-Revue Franco-Bresilienne de Geographie-Revista Franco-Brasileira de Geografia
Submitted on: 28 May 2011.
Revised on: 20 June 2011.
Accepted on: 21 July 2011.
___________________Confins-Revue Franco-Bresilienne de Geographie-Revista Franco-Brasileira de Geografia
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Submitted on: 04 June 2010.
Revised on: 26 June 2010.
Accepted on: 21 July 2010.
___________________Confins-Revue Franco-Bresilienne de Geographie-Revista Franco-Brasileira de Geografia
Submitted on: 02 April 2011.
Revised on: 24 May 2011.
Accepted on: 08 July 2011.
___________________Confins-Revue Franco-Bresilienne de Geographie-Revista Franco-Brasileira de Geografia
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Submitted on: 30 September 2011.
Revised on: 15 December 2011.
Accepted on: 28 December 2011.
___________________Confins-Revue Franco-Bresilienne de Geographie-Revista Franco-Brasileira de Geografia
Submitted on: 13 February 2016.
Revised on: 11 June 2016.
Accepted on: 06 August 2016.
___________________Confins-Revue Franco-Bresilienne de Geographie-Revista Franco-Brasileira de Geografia