Mohd Saifullah Rusiman, Mahathir Mohamad, Norziha Che Him, Muhammad Ghazali Kamardan,, Saifulnizam Othaman, Muhammad Hakim Shamshuddin, Mansor Samah and Norazli Aziz
Journal of Engineering and Applied Sciences 12 ( 8 ): 2170 - 2174 , 2017