Heo, Ung. <br/><br/>
Ju Sigyeong (Korean) : 주시경 / 
Ung Heo ; illustrated by Jongdo Kim. 
 - Seoul, Korea :  Gyosumunhwa,  1997. 
 - 95 p. 
<br/><br/><label>ISBN: </label>9788948200812 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Korean language materials.