00514nam a2200169 a 4500008004100000020002200041100002100063245007500084246004900159250002300208260002800231300003200259650002600291003000100317005001700318040000900335                                          a0273026968 (pbk.)1 aThirkettle, G L.10aWheldon's Business statistics and statistical method/cG L Thirkettle.10aBusiness statistics and statistical method    a9th ed. (ELBS ed.)  aLondon :aPitman,c1981  aix, 278 p. :bill. :c21cm.  aCommercial statistics20230123133303.0  cNUST