Enquestes, anonimitat i mapes per un estudi social <a href="http://www.directionsmag.com/articles/integrating-social-survey-data-and-gis-to-determine-the-needs-of-a-rur/231673">http://www.directionsmag.com/articles/integrating-social-survey-data-and-gis-to-determine-the-needs-of-a-rur/231673</a><br>
<br>Raf<br>