Emory, C.William <br/><br/>
Business research methods / 
C. W.Emory, D.R. Cooper. 
 - 4-th ed. 
 - Boston :  Irwin,  1991. 
 - xxiii, 760 p. :  ill. ;  24 cm. 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial management--Research