Khairi Khalid, Mohd Fozi Alib, Nurul Fatin Manc, Nor Faiza Abd Rahmanb, Ahmad Amzari Yaccob, Nur Asmaliza Mohd Noor and Siti Hawa Rosli
Journal of Engineering and Applied Sciences 11 ( 11 ): 2360 - 2365 , 2016