Tripathi, A. K. <br/><br/>
Commercial calculation and statistics / 
A. K. Tripathi  
 - New Delhi :   Deepak prakashan,  2014. 
 - 184 p. ;  20 cm.  
<br/><br/><label>ISBN: </label>9788177762846 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical statistics 
<br/><br/><label>Dewey Class. No.: </label>519.5  / TRI/V