Dapat, R. & Chang, L.  <br/><br/>
Essence and Essentials of Purposive Communication in the 1st Century 

 - Mandaluyong City  Books Atbp., Publishing Corporation  2018 
 - 343p 
<br/><br/><label>ISBN: </label>9786214091171 
<br/><br/><label>Dewey Class. No.: </label>400  D239