Mukhtar Ahmed, M. H. Laghari, Iftikhar Ahmed and K. M. Khokhar
Asian Journal of Plant Sciences 1 ( 3 ): 228 - 229 , 2002
Shahida Khalid, Mukhtar Ahmed, Sadar-Uddin-Siddiqui and R. A. Shad
Pakistan Journal of Biological Sciences 3 ( 4 ): 649 - 651 , 2000