Nor Ashidi Mat Isa, Esugasini Subramaniam, Mohd Yusoff Mashor and Nor Hayati Othman
American Journal of Applied Sciences 4 ( 12 ): 999 - 1008 , 2007
Nor Rizuan Mat Noor, Nor Ashidi Mat Isa, Mohd Yusoff Mashor, Nor Hayati Othman, Kamal Zuhairi Zamli and M. Subhi Al-Batah
American Journal of Applied Sciences 5 ( 5 ): 461 - 467 , 2008