Cite
MLA Citation
Greg Brown. “A Review of Sampling Effects and Response Bias in Internet Participatory Mapping (PPGIS/PGIS/VGI).” Transactions in GIS, vol. 21, no. 1, 2017, pp. 39–56. http://access.bl.uk/ark:/81055/vdc_100041233691.0x00000f
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Greg Brown. “A Review of Sampling Effects and Response Bias in Internet Participatory Mapping (PPGIS/PGIS/VGI).” Transactions in GIS, vol. 21, no. 1, 2017, pp. 39–56. http://access.bl.uk/ark:/81055/vdc_100041233691.0x00000f