Kamal F. Elkhalifa and Hamad Al-Mufarrij
Pakistan Journal of Biological Sciences 9 ( 1 ): 176 - 178 , 2006
Samia Tageldin, Kamal F. Elkhalifa and Khadija Abbas
Pakistan Journal of Biological Sciences 9 ( 1 ): 96 - 98 , 2006
Kamal F. Elkhalifa, Ibrahim Suliman and Hasan Assubki
Pakistan Journal of Biological Sciences 8 ( 7 ): 1021 - 1024 , 2005