00354nam a2200133 a 450000500170000002000180001708200180003510000170005324500370007026000380010730000210014550000370016670000170020320251203111729.0  a9788131513781  a361.3072bRUB  aRubin, Allen  aMethods for social work research  aAustraliabCengage Learningc2010  a362p.c22cm.bPB  ainclude indexes and bibliography  aBabbie, Earl