Sang-Ann Nam, Jong-Chul Park, Jae-Pyo Park and Chang-Hong Kim
Journal of Engineering and Applied Sciences 13 ( 2 SI ): 2992 - 3000 , 2018
Jong-Chul Park, Sang-Ann Nam, Jae-Pyo Park and Yeun-Soo Choo
Journal of Engineering and Applied Sciences 13 ( 6 SI ): 5276 - 5285 , 2018