Oh, Seung-Eun, <br/><br/>
Sonogong / 
Seung-eun Oh. 
 - South Korea :  Talking Book,  2017. 
 - 25 pages :  colored illustrations, figures ; 
<br/><br/><label>ISBN: </label>979-11-87840-13-8 
<br/><br/><label>Dewey Class. No.: </label>813  / O361