Kek Heng Chua, Suzita Mohd Noor, Ching Hoong Chew and Chin Theam Lim
Asian Journal of Biological Sciences 1 ( 2 ): 94 - 99 , 2008
Kek Heng Chua, Hwa Chia Chai and S.D. Puthucheary
Journal of Applied Sciences 8 ( 21 ): 3999 - 4003 , 2008
Kek Heng Chua, Kah Heng See and S.D. Puthucheary
Journal of Applied Sciences 9 ( 9 ): 1798 - 1800 , 2009