Muhammad Naeem, Shakeel Ahmed and Muhammad Latif
Asian Journal of Plant Sciences 1 ( 2 ): 99 - 100 , 2002
Shakeel Ahmed, A. Hassan, K. Alam, M. A. Al-Shalabi and T. Inui
Journal of Applied Sciences 2 ( 11 ): 1034 - 1038 , 2002
Muhammad Akram Nasir, Muhammad Afzal, Shakeel Ahmed, Naveed Anwar Virk and Attiq Akhter
Journal of Biological Sciences 1 ( 5 ): 336 - 337 , 2001
Shakeel Ahmed and Muhammad Aslam
Pakistan Journal of Biological Sciences 3 ( 12 ): 2163 - 2164 , 2000