ROY, K.P. <br/><br/>
Statistical techniques in commerce and economics 
K.P. Roy 
 - 4th rev. ed. 
 - Calcutta  Progressive  1969 
 - xv, 359 p. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>STATISTICS
<br/><br/><label>Dewey Class. No.: </label>ST(ECO) 330.0182  / RKn69