Praveen Kumar Singh <br/><br/>
Yog aur yogasan/by Praveen Kumar Singh 

 - New Delhi  Axis Books Private Limited  2014 
 - 150p. 
<br/><br/><label>ISBN: </label>978-93-82835-42-4 
<br/><br/><label>Dewey Class. No.: </label>181.45  P21Y