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Journal of Engineering and Applied Sciences 12 ( 15 ): 3839 - 3842 , 2017
Maya Sarah, Seri Maulina, Sinta Widyastuti, N. Dwi Siska, Isti Madinah and Siti Salamah
Journal of Engineering and Applied Sciences 12 ( 1 SI ): 5655 - 5659 , 2017