Berkley, Susan. <br/><br/>
Speak to influence :  how to unlock the hidden power of your voice / 
Susan Berkley. 
 - New Delhi:  Goodwill Publishing house, 
 - 192 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>9788172454500 
<br/><br/><label>Dewey Class. No.: </label>Reserved 302.2  / B399