00315nam a2200121Ia 4500008004100000020001800041082001500059100001500074245004400089250000800133260003800141300001400179190710s9999    xx            000 0 und d  a81-321-0578-7  a001.42 H39  aHenn, Matt 0aCritical introdution to social research  a2nd  aNew DelhibSage publicationc2010  aviii, 356