Gupta, S. P. <br/><br/>
Statistical methods 

 - 23rd rev. enl. ed. 
 - New Delhi  Sultan Chand and Sons  1987 
 - xxii, R-312 
<br/><br/> Includes tables and index (i-xiv) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>D 1455