共 60 条
[1]
Alibrandi Marsha., 2003, GIS in the Classroom: Using Geographic Information Systems in Social Studies and Environmental Science
[2]
[Anonymous], 2012, Crowdsourcing geographic knowledge: volunteered geographic information (VGI) in theory and practice
[3]
[Anonymous], 2007, GEOSPATIAL WEB, DOI DOI 10.1007/978-1-84628-827-2_14
[4]
[Anonymous], 2008, CIVIC LIFE ONLINE LE
[5]
[Anonymous], 2006, LEARNING TEACHING MA, DOI DOI 10.4324/9780203477793
[8]
Bartoschek T, 2012, CROWDSOURCING GEOGRA, P341
[9]
Bauder Harald., 2008, CRITICAL GEOGRAPHIES