00299nam a2200133Ia 45000030006000000080041000060400015000471000016000622450039000782500010001172600009001275460012001360050017001480STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSingh, S.P.  aResearch methods in social science  aFirst  c2002  aEnglish20220125160151.0