Roy, K. P. <br/><br/>
Statistical techniques in commerce and economics 

 - 4th rev ed. 
 - Calcutta  ; Progressive Publishers  , 1969 
 - xv,359p. 
<br/><br/><label>ISBN: </label> 16.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical Statistics<br/>Statistics
<br/><br/><label>Dewey Class. No.: </label>519.5  / ROY