O'Brien, Paddy <br/><br/>
Assertiveness :  a working guide/ 
Paddy O'Brien 
 - London :  Nicholas Brealey Publishing,  1992 
<br/><br/> Koleksi Professor J.V.D'Cruz 
<br/><br/><label>Subjects--Index Terms: </label>Self-confidence  Ability to progress  Stress management