Luna, Gabriel L.  <br/><br/>
Good manners to be observed in the use of internet, e-mail, and text-messaging as correct form of professional correspondence/ 
Gabriel L. Luna. 
 - Philippines:   In the Grade School, Inc.,  c2011. 
 - v60 n7, pages 294-295:  illustrations;  27cm. 
<br/><br/><label>ISSN: </label>2094-8042  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology.
<br/><br/><label>Dewey Class. No.: </label>DPer 370.105 M72 Jan-Dec 2011 v59-60