The HAPPINESS factor 

 - Penang  Consumer's Association of Penang  c2006 
 - 136p.  ill.  15cm. 
<br/><br/> Juga diterbitkan dalam bahasa Inggeris 
<br/><br/><label>ISBN: </label>9833083382 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Happiness--Psychological aspects<br/>Self-actualization (Psychology)