Figure 3.
Flow diagram of travelling distance and time estimation using the Google Maps API.
Gu et al. International Journal of Health Geographics 2010 9:17 doi:10.1186/1476-072X-9-17 |
Figure 3.
Flow diagram of travelling distance and time estimation using the Google Maps API.
Gu et al. International Journal of Health Geographics 2010 9:17 doi:10.1186/1476-072X-9-17 |
