A quan es paga l'hora de l'expert GIS ? <a href="http://www.directionsmag.com/articles/how-much-do-gis-consultants-charge-in-2011/176035">http://www.directionsmag.com/articles/how-much-do-gis-consultants-charge-in-2011/176035</a><br>
<br>Raf<br>