Submitted on: 16 April 2012.
Revised on: 04 August 2012.
Accepted on: 01 September 2012.
___________________Geofocus-Revista Internacional de Ciencia y TecnologIa de la InformaciOn GeogrAfica
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Submitted on: 14 February 2007.
Revised on: 05 May 2007.
Accepted on: 05 June 2007.
___________________Geofocus-Revista Internacional de Ciencia y TecnologIa de la InformaciOn GeogrAfica
Submitted on: 12 November 2019.
Revised on: 22 January 2020.
Accepted on: 07 March 2020.
___________________Geofocus-Revista Internacional de Ciencia y TecnologIa de la InformaciOn GeogrAfica
Submitted on: 09 June 2021.
Revised on: 13 September 2021.
Accepted on: 27 October 2021.
___________________Geofocus-Revista Internacional de Ciencia y TecnologIa de la InformaciOn GeogrAfica
Submitted on: 02 February 2019.
Revised on: 06 May 2019.
Accepted on: 17 June 2019.
___________________Geofocus-Revista Internacional de Ciencia y TecnologIa de la InformaciOn GeogrAfica
Submitted on: 29 October 2013.
Revised on: 28 January 2014.
Accepted on: 04 March 2014.
___________________Geofocus-Revista Internacional de Ciencia y TecnologIa de la InformaciOn GeogrAfica
Submitted on: 18 November 2012.
Revised on: 17 February 2013.
Accepted on: 02 April 2013.
___________________Geofocus-Revista Internacional de Ciencia y TecnologIa de la InformaciOn GeogrAfica
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