Rao, P Subba; Kumar, B Anita & Bindu, C Hima <br/><br/>
Technical communication . 

 - Cengage Learning   Delhi  2013 
 - xii,295 
<br/><br/>
<br/><br/><br/>E 
<br/><br/><label>Universal Decimal Class. No.: </label>808.066 Rao