L'expansió de la població hispana al usa <a href="http://www.slate.com/articles/news_and_politics/map_of_the_week/2012/07/map_of_america_s_hispanic_population_county_by_county.html">http://www.slate.com/articles/news_and_politics/map_of_the_week/2012/07/map_of_america_s_hispanic_population_county_by_county.html</a><br>
<br>Raf<br>