Yetti Heryati, Arifin Abdu, Mohd Noor Mahat, Hazandy Abdul-Hamid, Shamshuddin Jusop, Nik Muhamad Majid, Ika Heriansyah and Khairulmazmi Ahmad
American Journal of Agricultural and Biological Sciences 6 ( 2 ): 201 - 208 , 2011