Koshy Philip, Sri Nurestri Abd Malek, Wirakarnain Sani, Sim Kae Shin, Saravana Kumar, Hong Sok Lai, Lee Guan Serm and Syarifah N.S.A. Rahman
American Journal of Applied Sciences 6 ( 6 ): 1047 - 1058 , 2009
Koshy Philip, Sri Nurestri Abd Malek, Wirakarnain Sani, Sim Kae Shin, Saravana Kumar, Hong Sok Lai, Lee Guan Serm and Syarifah N.S.A. Rahman
American Journal of Applied Sciences 6 ( 8 ): 1613 - 1617 , 2009