?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Ewing%2C+Bronwyn&rft.aufirst=Bronwyn&rft.aulast=Ewing&rft.date=2002&rft.isbn=87-7701-905-9&rft.title=Marginalising+practices+of+mathematics%3A+Why+young+people+opt+out+of+school+mathematics&rft.genre=bookitem