Deshpande, A.V. & Kelkar, S.V. <br/><br/>
Practical statistics 

 - Vipul Prakashan  Mumbai  (n.d.) 
 - xii, 257 
<br/><br/>
<br/><br/><br/>E 
<br/><br/><label>Universal Decimal Class. No.: </label>311 Des/Kel