Karamat Mahmud, Rehana Naseer, M. Shahid and Samia Rashid
Asian Journal of Plant Sciences 1 ( 1 ): 57 - 58 , 2002
Karamat Mahmud, Misbahul Ain Khan and Muhammad Zafar Iqbal
Pakistan Journal of Biological Sciences 4 ( 8 ): 1000 - 1001 , 2001