S. Hassan, M.S. Yusof, M.I. Maksud, M.N. Nodin, K.A. Mamat, M.S. Sazali, W.I.S. Zainun, M.Z. Rahim and M.H. Rahman
Journal of Engineering and Applied Sciences 12 ( 1 SI ): 5644 - 5649 , 2017