Fauziah Ahmad, Ahmad Shukri Yahaya and Mohd Ahmadullah Farooqi
American Journal of Environmental Sciences 2 ( 4 ): 121 - 128 , 2006
Meor Othman Hamzah, Zul Fahmi Mohamed Jaafar and Fauziah Ahmad
Journal of Applied Sciences 11 ( 20 ): 3464 - 3473 , 2011
Ahmad Shukri Yahaya, Norlida Md. Nor, Nor Rohashikin Mat Jali, Nor Azam Ramli, Fauziah Ahmad and Ahmad Zia Ul-Saufie
Journal of Applied Sciences 12 ( 14 ): 1501 - 1506 , 2012