Yayuk Ngesti Rahayu, Margono Setiawan, EkaAfnan Troena and Sudjatno
Journal of Engineering and Applied Sciences 14 ( 13 ): 4453 - 4458 , 2019
Indra Kurniawan, Ubud Salim, Margono Setiawan and Mintarti Rahayu
Journal of Engineering and Applied Sciences 14 ( 16 ): 5807 - 5818 , 2019