PFAFFENBERGER, Roger C. Patherson, James H <br/><br/>
Statistical methods for business and economics / 
[by] Roger C.Pfaffenberger, James H.Patherson 
 - Illinois  Richard D.Irwin ,Inc.  1977 
 - xvii, 750 p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>69024 
<br/><br/><label>Dewey Class. No.: </label>650.018  / PFA