Siti Sunarintyas, Widowati Siswomihardjo and Jukka Pekka Matinlinna
Journal of Engineering and Applied Sciences 11 ( 12 ): 2673 - 2677 , 2016
Widowati Siswomihardjo, Siti Sunarintyas and Jukka Pekka Matinlinna
Journal of Engineering and Applied Sciences 11 ( 12 ): 2678 - 2682 , 2016