Gupta S. P. <br/><br/>
Statistical Methods 

 - New Delhi :  Sultan Chand & Sons,  2017 
 - xx, 1426 p. :  ill. ; 
<br/><br/>includes bibliographical references  
<br/><br/><label>ISBN: </label>9789351610281 
<br/><br/><label>LC Class. No.: </label>HA29  / .G87 2017