00325nam a2200109Ia 4500008004100000040003800041100001400079245005100093260004400144300001200188653001500200211217s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aConway, F 0aSampling an introduction for social scientists  bGEORGE ALLEN & UNVIN LTD.aLONDONc1967  a154p p.  aPSYCHOLOGY