00475nam a22001577a 4500020001500000040000900015082001600024100001900040245002500059250001700084260004800101650003200149942001200181999001900193952010500212  a9971512718  cNust  a519.52bCOC  aCochran993917  aSampling Techniques   a3rd Edition   aSingapore:bJohn Wiley and sons Inc,c2002.  aSampling Techniques 963794  2ddccBK  c610678d610678  00102ddc4070aCEMEbCEMEcGENd2024-07-31l0o519.52 COCpCEME- 39233r2024-07-31w2024-07-31yBK