Tyagi, Kavita <br/><br/>
Basic technical communication 

 - 3rd edition. 
 - New Delhi :  Prentice Hall Of India,  1994 
 - 267. 
<br/><br/><label>ISBN: </label>9788120342385  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Elementary education
<br/><br/><label>Dewey Class. No.: </label>372.6  / TYA