K.H. Khor, K.O. Lim and Z.A. Zainal
American Journal of Applied Sciences 6 ( 9 ): 1647 - 1652 , 2009
I.M. Yusof, N.A. Farid, Z.A. Zainal, G.B. Horizon and M. Azman
Asian Journal of Applied Sciences 2 ( 2 ): 101 - 114 , 2009
I.M. Yusof, N.A. Farid, Z.A. Zainal, G.B. Horizon, K. Noriman and A. Miskam
Asian Journal of Applied Sciences 2 ( 6 ): 475 - 485 , 2009
M. Iqbal, Z.A. Zainal, M.M. Mahadzir and H. Suhaimi
Asian Journal of Applied Sciences 3 ( 1 ): 52 - 59 , 2010
I. Mohamad Yusof, N.A. Farid, Z.A. Zainal and M. Azman
Journal of Applied Sciences 8 ( 4 ): 622 - 628 , 2008
A. Miskam, Z.A. Zainal and I.M. Yusof
Journal of Applied Sciences 9 ( 12 ): 2294 - 2300 , 2009
S. Hassan, Z.A. Zainal and M.A. Miskam
Journal of Applied Sciences 10 ( 5 ): 406 - 412 , 2010
M.M. Mahadzir, Z.A. Zainal, M. Iqbal and S.N. Soid
Journal of Applied Sciences 10 ( 9 ): 745 - 751 , 2010
Muhamad Azman Miskam, Z.A. Zainal and M.Y. Idroas
Journal of Applied Sciences 8 ( 1 ): 95 - 103 , 2008