Sharma, Rakhi Arora <br/><br/>
Data analysis/ 
Rakhi Arora Sharma and Vaishali Kapoor 
 - New Delhi;  Book Age Publications,  2018. 
 - x, 180p. 
<br/><br/> Gifted by Prof. Narayan Prasad, IGNOU 
<br/><br/><label>ISBN: </label>9788193595794