Druk ghi kha jin sung na chog dyep na wai gha toen . 

 -  2nd ed. 
 - Thimphu :  Dzongkha Development Commission ,  2012. 
 - 107 p.  ill.  20 cm. 
<br/><br/><label>ISBN: </label>9789993615149 
<br/><br/><label>Dewey Class. No.: </label>