Maybe (English Subtitled)Hyuk Jang, Yu-ri Sung, Jang-Hyun Lee, Seo-hyun Ahn, Seong-tae Oh · First published 2012Open the Tome
Heat Treatment of MaterialsJang Hyun Sung, Chan Gyu Lee, Yong Zoo You, Young Kook Lee, Jae Young Kim · First published 2006Open the Tome
