Chaudhuri, Drimi <br/><br/>
Kumar Mangalam Birla : ten success secrets 

 - Jaico publishing house  Mumbai  2019 
 - 202 
<br/><br/>
<br/><br/><br/>E 
<br/><br/><label>Universal Decimal Class. No.: </label>923.3(54)  / Bir/Cha