Patni, Ujjwal <br/><br/>
Power Thinking 

 - 1st 
 - New Dehli  Diamond Pocket Books (P.) Ltd  2019 
 - 254 p. 
<br/><br/><label>ISBN: </label>9788128837685 
<br/><br/><label>LC Class. No.: </label>S:7  P9