Bhatia;Archana,Bansal;Mukesh <br/><br/>
Vyavasayik sankhiyiki-II  Hindi 

 - Ludhiana  Kalyani publishers  2011 
 - V pg 
<br/><br/><label>ISBN: </label>978-81-272-6919-7 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Satatistics