Wi Man Kang, Yong Duk Chi, Soo Sang Kim, Seok Hui Lee and Gwang Yong Gim
Journal of Engineering and Applied Sciences 13 ( 18 ): 7480 - 7486 , 2018
Jae Hun Sa, Ki Bum Lee, Sung In Cho, Sang Hee Lee and Gwang Yong Gim
Journal of Engineering and Applied Sciences 13 ( 19 ): 7795 - 7802 , 2018