Effective speaking 
Carpio, Rustica C. 
 -  Rex Book Store,  1981 
 - xvii, 405 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>9-71230392-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oral communication.
<br/><br/><label>Dewey Class. No.: </label>F 808.5 C19e 1981