Business statistics and mathematics 
By N.K. Nag 
 - 1st ed/ rep. 
 - Ludhiana:  Kalyani publishers,  2003. 
 - x,829p. 
<br/><br/><label>ISBN: </label>81-272-0861-2 
<br/><br/><label>Subjects--Index Terms: </label>Probabilities & applied mathematics Business statistics 
<br/><br/><label>Dewey Class. No.: </label>519.5