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Vallejo, I., and J. Márquez. “SIGCOMSE: Un Sistema De información geográfica Aplicado Al Comercio En La Ciudad De Sevilla”. GeoFocus. International Review of Geographical Information Science and Technology, no. 6, Dec. 2006, pp. 28-38, https://www.geofocus.org/index.php/geofocus/article/view/99.