Asian Journal of Plant Sciences 1 ( 4 ): 448 - 449 , 2002
Ashraf Saber Hawamdeh and Shabeer Ahmad
Journal of Biological Sciences 1 ( 10 ): 949 - 950 , 2001
Pakistan Journal of Biological Sciences 4 ( 9 ): 1126 - 1128 , 2001
Pakistan Journal of Biological Sciences 3 ( 6 ): 1042 - 1043 , 2000