RIZVI,M. ASHRAF <br/><br/>
EFFCETIVE TECHNICAL COMMUNICATION 

 - NEW DELHI  MCGROW HILL 
 - 545p. 
<br/><br/> 709 
<br/><br/><label>ISBN: </label> 350/- 
<br/><br/><label>Dewey Class. No.: </label>808.06 RIZ M