American Journal of Applied Sciences 6 ( 3 ): 393 - 395 , 2009
American Journal of Applied Sciences 4 ( 2 ): 99 - 101 , 2007
American Journal of Applied Sciences 7 ( 8 ): 1083 - 1086 , 2010
Roila Awang, Mohd Rafaei Ghazuli and Mahiran Basri
American Journal of Biochemistry and Biotechnology 3 ( 3 ): 163 - 166 , 2007