Marpaung, Parlindungan. <br/><br/>
Setengah berisi, setengah kosong / 
Parlindungan Marpaung. 
 - 1st ed. 
 - Kuala Lumpur :  PTS Millenia,  2008. 
 - xvi, 270 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>9789833603428 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Self-actualization (Psychology)-- Miscellanea.<br/>Success -- Psychological aspects.<br/>Conduct of life -- Miscellanea.