Gupta, S P <br/><br/>
Practical Statistice 

 - New Delhi  S.Chand & Company Ltd  1977 
 - 629 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label> 0 
<br/><br/><label>Dewey Class. No.: </label>P81  / G959