Muhammad Salleh Abustan, Mohd. Firdaus Mohamad Ali, Noorhazlinda A. Rahman, Hitoshi Gotoh, Eiji Harada, Siti Hidayah Abu Talib and Syarifah Intan Najla Syed Hashim
Journal of Engineering and Applied Sciences 12 ( 5 SI ): 6958 - 6963 , 2017