Chang-Soon Kim, Tae Hyeon Lee, Kwang Seob Shin, Seong Jeong, Bhanu Shrestha and Kwang Chul Son
Journal of Engineering and Applied Sciences 13 ( 11 SI ): 8700 - 8703 , 2018
Journal of Engineering and Applied Sciences 13 ( 11 SI ): 8675 - 8677 , 2018