O. Sulaiman, R. Hashim, R.N. Kumar, P. Tamyez, R.J. Murphy and Z. Ali
International Journal of Agricultural Research 3 ( 5 ): 331 - 339 , 2008
A. Mahmud, F. M. Khattak, Z. Ali, T. N. Pasha and U. Farooq
Pakistan Journal of Biological Sciences 9 ( 6 ): 1178 - 1180 , 2006