Barker, Alan <br/><br/>
Improve your communication skills / 
Alan Barker 
 - London:  Kogan Page,   2013 
 - Pages 
<br/><br/><label>ISBN: </label>978-0-7494-6716-6 
<br/><br/><label>LC Class. No.: </label>HF5718.B365 I2013