Do, Gisung <br/><br/>
Curious science ; ocean & ocean floor (Korean) : 퀴즈 과학상식 바다 해저 / 
Gisung Do. 
 - Seoul :  Geulsongi,  2008. 
 - 201 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Korean language materials.