Hudiyo Firmanto, Patthi Hussain and Othman Mamat
Journal of Applied Sciences 11 ( 10 ): 1809 - 1814 , 2011
Wan Amalina Wan Zaharuddin, Bambang Ariwahjoedi and Patthi Hussain
Journal of Applied Sciences 11 ( 10 ): 1763 - 1769 , 2011