00271    a2200109   4500020001500000082001600015100001700031245004600048260002900094300001800123650002000141  a0761968059  a300.72bTRA  aTravers, Max  aQualitative research through case studies  aLondonbSAGEc2001g2001  ax,196p.c24cm  aSOCIAL SCIENCES