The teen's world

• https://docs.google.com/file/d/0B9ZGzjLwbLDZZTFhMDZiODAtNjhmZi00MGM4LWEzMjEtNmQ1ZGE2ODhiOTQz/edit?pli=1&hl=pt_PT

• http://www.guiadoestudante.pt/exames/P_550_1F_2012.pdf 

• http://pt.scribd.com/doc/110863964/Test-10-MakingCaseYouth-TA-KEY