Heo, Sunbong. <br/><br/>
Why?disease (Korean) : Why?질병 / 
Sunbong Heo ; illustrated by Gajaebal. 
 - Seoul, Korea :  Seoul,   2006. 
 - 159 p. 
<br/><br/><label>ISBN: </label>9788930206440 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Korean language materials.