Hussain, S M zakir. <br/><br/>
Powerful Letters / 
S M Zakir Hussain. 
 - Dhaka :  Gyankosh Prokashoni ,  c2010. 
 - xv, 272 p. :  ill;  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management 
<br/><br/><label>Dewey Class. No.: </label>651.75  / HUP 2010