(Khmer) The 7 habits of highly effective teens /  
Sean Covey. Translated by Donida. 
 - Cambodia:  My Bookshop;  2016.  
 - 477 p.  21 cm. 
<br/><br/><label>ISBN: </label>9789924909613 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motivational.