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Journal of Engineering and Applied Sciences 12 ( 10 ): 2552 - 2555 , 2017
Jong-Sang Yoo and Sun-Mun Park
Journal of Engineering and Applied Sciences 12 ( 10 ): 2556 - 2559 , 2017
Journal of Engineering and Applied Sciences 13 ( 10 SI ): 8277 - 8280 , 2018