Eom, Hoyeon. Why?The ancient civilization of China and India (Korean) : Why?중국과 인도의 고대 문명 / Hoyeon Eom ; illustrated by Gwangseon Bae. - Seoul, Korea : Yearimdang, 2010. - 200 p. ISBN: 9788930201148 Subjects--Topical Terms: Korean language materials.