H.S. Woon, K.P. Lim, N. Puteri, R. Rozaimah and C.Y. Tan
American Journal of Engineering and Applied Sciences 2 ( 4 ): 580 - 583 , 2009
P.K. Lo, C.Y. Tan, O. Hassan, A. Ahmad, N.M. Mahadi and R.M. Illias
Biotechnology 8 ( 2 ): 184 - 193 , 2009