S.A.R. Al-Haddad, S.A. Samad, A. Hussain, K.A. Ishak and A.O.A. Noor
American Journal of Applied Sciences 6 ( 2 ): 290 - 295 , 2009
S.A.R. Al-Haddad, S.A. Samad, A. Hussain and K.A. Ishak
American Journal of Applied Sciences 5 ( 6 ): 714 - 720 , 2008