H. Baki Unal, Nasar Iqbal, Ismail Karacali and Altan Sahin
Pakistan Journal of Biological Sciences 3 ( 1 ): 27 - 30 , 2000
Alaa Abd Elrashid and Nasar Iqbal
Pakistan Journal of Biological Sciences 3 ( 2 ): 231 - 235 , 2000