National Professor Dr N Islam , SI ,IDA <br/><br/>
USTA'98 

 - Office of the President , USTC  Gulmeher 63 central road, Dhaka- 1205 
 - 128p 
<br/><br/><label>ISBN: </label>9845190006 
<br/><br/><label>Dewey Class. No.: </label>016.3