00326nam a2200121Ia 4500008004100000020001400041040003800055100001900093245003200112250000800144260003600152300001600188220101s9999    xx            000 0 und d  a076194705  cJayakar Knowledge Resource Centre  aPunch, Keith F 0aSurvey research: the basics  a1st  bSage PublicationsaLondonc2003  aix, 123p p.