Technical writing / 
Ballesteros, Theresa F. 
 - Makati City :  Mindshaper Co, Inc.,  2006. 
 - x, 233 p. ; 22.1cm. 
<br/><br/>includes bibliography 
<br/><br/><label>ISBN: </label>9719339926 
<br/><br/><label>Dewey Class. No.: </label>Fil 808 B191 2006