Ki-Young Lee, Myung-Jae Lim, Jeong-Jin Kang, Sung-Jai Choi, Gye-Kuk Kim, Yong-Soon Im and Kyeong-Su Jang
Journal of Engineering and Applied Sciences 12 ( 10 ): 2628 - 2632 , 2017
Myung-Jae Lim, Yun-Jin Nam, Young Man Kwon, Dong kun Chung and Ki Young Lee
Journal of Engineering and Applied Sciences 13 ( 3 ): 639 - 642 , 2018